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Christian J Hopfer

TitleProfessor
InstitutionUniversity of Colorado Denver - Anschutz Medical Campus
DepartmentSOM-PSYCH
Phone303/724-3170

    Collapse Research 
    Collapse research activities and funding
    R01DA057894     (HOPFER, CHRISTIAN J)May 15, 2023 - Mar 31, 2028
    NIH
    Effects of High Potency Cannabis Products on Mental Health and Psychosocial Functioning
    Role: Principal Investigator
    R01DA053693     (HOPFER, CHRISTIAN J)Aug 15, 2022 - May 31, 2027
    NIH
    Adult Progression of Adolescent Onset Substance Use Disorder in a High Risk Sample
    Role: Principal Investigator
    R01DA042755     (HOPFER, CHRISTIAN J)Sep 1, 2017 - Apr 30, 2029
    NIH
    Impact of Marijuana Legalization: Comparison of Two Longitudinal Twin Cohorts
    Role: Principal Investigator
    R01DA035804     (HOPFER, CHRISTIAN J)Apr 15, 2014 - Jan 31, 2020
    NIH
    Genetics and Progression of Early-onset Substance Dependence and HIV Risk
    Role: Principal Investigator
    K24DA032555     (HOPFER, CHRISTIAN J)Apr 1, 2013 - Jun 30, 2023
    NIH
    Mentoring Clinical Investigators in Adolescent-onset Substance Use Disorders Research
    Role: Principal Investigator
    R25DA033219     (HOPFER, CHRISTIAN J)Apr 1, 2012 - Mar 31, 2019
    NIH
    Substance Use Disorder Research Training for Medical Students
    Role: Principal Investigator
    R01DA021913     (HOPFER, CHRISTIAN J)Jul 1, 2008 - Aug 31, 2013
    NIH
    Genetics of Adolescent Antisocial Drug Dependence
    Role: Principal Investigator
    R01DA015522     (HOPFER, CHRISTIAN J)Sep 10, 2003 - Dec 30, 2008
    NIH
    A family study of substance use &conduct disorder
    Role: Principal Investigator

    Collapse Bibliographic 
    Collapse selected publications
    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
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    1. Zellers S, Alexander J, Ellingson JM, Schaefer JD, Corley RP, Iacono W, Hewitt JK, Hopfer CJ, McGue MK, Vrieze S. Limited psychological and social effects of lifetime cannabis use frequency: Evidence from a 30-year community study of 4,078 twins. J Psychopathol Clin Sci. 2024 Jan; 133(1):115-128. PMID: 38147055.
      View in: PubMed
    2. Ross JM, Karoly HC, Zellers SM, Ellingson JM, Corley RP, Iacono WG, Hewitt JK, McGue M, Vrieze S, Hopfer CJ. Addendum to "Evaluating substance use outcomes of recreational cannabis legalization using a unique co-twin control design". Am J Drug Alcohol Abuse. 2023 Sep 03; 49(5):684. PMID: 38014892.
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    3. Gresko SA, Rieselbach M, Corley RP, Hopfer CJ, Stallings MC, Hewitt JK, Rhee SH. Subjective effects as predictors of substance use disorders in a clinical sample: A longitudinal study. Drug Alcohol Depend. 2023 Aug 01; 249:110822. PMID: 37331303.
      View in: PubMed
    4. Ross JM, Karoly HC, Zellers SM, Ellingson JM, Corley RP, Iacono WG, Hewitt JK, McGue M, Vrieze S, Hopfer CJ. Evaluating substance use outcomes of recreational cannabis legalization using a unique co-twin control design. Am J Drug Alcohol Abuse. 2023 09 03; 49(5):630-639. PMID: 37262386.
      View in: PubMed
    5. Giannelis A, Willoughby EA, Corley R, Hopfer C, Hewitt JK, Iacono WG, Anderson J, Rustichini A, Vrieze SI, McGue M, Lee JJ. The association between saving disposition and financial distress: A genetically informed approach. J Econ Psychol. 2023 Jun; 96. PMID: 37092036.
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    6. Zellers SM, Ross JM, Saunders GRB, Ellingson JM, Walvig T, Anderson JE, Corley RP, Iacono W, Hewitt JK, Hopfer CJ, McGue MK, Vrieze S. Recreational cannabis legalization has had limited effects on a wide range of adult psychiatric and psychosocial outcomes. Psychol Med. 2023 Jan 05; 1-10. PMID: 36601811.
      View in: PubMed
    7. Saunders GRB, Wang X, Chen F, Jang SK, Liu M, Wang C, Gao S, Jiang Y, Khunsriraksakul C, Otto JM, Addison C, Akiyama M, Albert CM, Aliev F, Alonso A, Arnett DK, Ashley-Koch AE, Ashrani AA, Barnes KC, Barr RG, Bartz TM, Becker DM, Bielak LF, Benjamin EJ, Bis JC, Bjornsdottir G, Blangero J, Bleecker ER, Boardman JD, Boerwinkle E, Boomsma DI, Boorgula MP, Bowden DW, Brody JA, Cade BE, Chasman DI, Chavan S, Chen YI, Chen Z, Cheng I, Cho MH, Choquet H, Cole JW, Cornelis MC, Cucca F, Curran JE, de Andrade M, Dick DM, Docherty AR, Duggirala R, Eaton CB, Ehringer MA, Esko T, Faul JD, Fernandes Silva L, Fiorillo E, Fornage M, Freedman BI, Gabrielsen ME, Garrett ME, Gharib SA, Gieger C, Gillespie N, Glahn DC, Gordon SD, Gu CC, Gu D, Gudbjartsson DF, Guo X, Haessler J, Hall ME, Haller T, Harris KM, He J, Herd P, Hewitt JK, Hickie I, Hidalgo B, Hokanson JE, Hopfer C, Hottenga J, Hou L, Huang H, Hung YJ, Hunter DJ, Hveem K, Hwang SJ, Hwu CM, Iacono W, Irvin MR, Jee YH, Johnson EO, Joo YY, Jorgenson E, Justice AE, Kamatani Y, Kaplan RC, Kaprio J, Kardia SLR, Keller MC, Kelly TN, Kooperberg C, Korhonen T, Kraft P, Krauter K, Kuusisto J, Laakso M, Lasky-Su J, Lee WJ, Lee JJ, Levy D, Li L, Li K, Li Y, Lin K, Lind PA, Liu C, Lloyd-Jones DM, Lutz SM, Ma J, M?gi R, Manichaikul A, Martin NG, Mathur R, Matoba N, McArdle PF, McGue M, McQueen MB, Medland SE, Metspalu A, Meyers DA, Millwood IY, Mitchell BD, Mohlke KL, Moll M, Montasser ME, Morrison AC, Mulas A, Nielsen JB, North KE, Oelsner EC, Okada Y, Orr? V, Palmer ND, Palviainen T, Pandit A, Park SL, Peters U, Peters A, Peyser PA, Polderman TJC, Rafaels N, Redline S, Reed RM, Reiner AP, Rice JP, Rich SS, Richmond NE, Roan C, Rotter JI, Rueschman MN, Runarsdottir V, Saccone NL, Schwartz DA, Shadyab AH, Shi J, Shringarpure SS, Sicinski K, Skogholt AH, Smith JA, Smith NL, Sotoodehnia N, Stallings MC, Stefansson H, Stefansson K, Stitzel JA, Sun X, Syed M, Tal-Singer R, Taylor AE, Taylor KD, Telen MJ, Thai KK, Tiwari H, Turman C, Tyrfingsson T, Wall TL, Walters RG, Weir DR, Weiss ST, White WB, Whitfield JB, Wiggins KL, Willemsen G, Willer CJ, Winsvold BS, Xu H, Yanek LR, Yin J, Young KL, Young KA, Yu B, Zhao W, Zhou W, Z?llner S, Zuccolo L, Batini C, Bergen AW, Bierut LJ, David SP, Gagliano Taliun SA, Hancock DB, Jiang B, Munaf? MR, Thorgeirsson TE, Liu DJ, Vrieze S. Genetic diversity fuels gene discovery for tobacco and alcohol use. Nature. 2022 12; 612(7941):720-724. PMID: 36477530.
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    8. Zellers SM, Ross JM, Saunders GRB, Ellingson JM, Anderson JE, Corley RP, Iacono W, Hewitt JK, Hopfer CJ, McGue MK, Vrieze S. Impacts of recreational cannabis legalization on cannabis use: a longitudinal discordant twin study. Addiction. 2023 01; 118(1):110-118. PMID: 36002928.
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    9. Hinckley J, Bhatia D, Ellingson J, Molinero K, Hopfer C. The impact of recreational cannabis legalization on youth: the Colorado experience. Eur Child Adolesc Psychiatry. 2024 Mar; 33(3):637-650. PMID: 35428897.
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    10. Jami ES, Hammerschlag AR, Ip HF, Allegrini AG, Benyamin B, Border R, Diemer EW, Jiang C, Karhunen V, Lu Y, Lu Q, Mallard TT, Mishra PP, Nolte IM, Palviainen T, Peterson RE, Sallis HM, Shabalin AA, Tate AE, Thiering E, Vilor-Tejedor N, Wang C, Zhou A, Adkins DE, Alemany S, Ask H, Chen Q, Corley RP, Ehli EA, Evans LM, Havdahl A, Hagenbeek FA, Hakulinen C, Henders AK, Hottenga JJ, Korhonen T, Mamun A, Marrington S, Neumann A, Rimfeld K, Rivadeneira F, Silberg JL, van Beijsterveldt CE, Vuoksimaa E, Whipp AM, Tong X, Andreassen OA, Boomsma DI, Brown SA, Burt SA, Copeland W, Dick DM, Harden KP, Harris KM, Hartman CA, Heinrich J, Hewitt JK, Hopfer C, Hypponen E, Jarvelin MR, Kaprio J, Keltikangas-J?rvinen L, Klump KL, Krauter K, Kuja-Halkola R, Larsson H, Lehtim?ki T, Lichtenstein P, Lundstr?m S, Maes HH, Magnus P, Munaf? MR, Najman JM, Nj?lstad PR, Oldehinkel AJ, Pennell CE, Plomin R, Reichborn-Kjennerud T, Reynolds C, Rose RJ, Smolen A, Snieder H, Stallings M, Standl M, Sunyer J, Tiemeier H, Wadsworth SJ, Wall TL, Whitehouse AJO, Williams GM, Ystr?m E, Nivard MG, Bartels M, Middeldorp CM. Genome-wide Association Meta-analysis of Childhood and Adolescent Internalizing Symptoms. J Am Acad Child Adolesc Psychiatry. 2022 07; 61(7):934-945. PMID: 35378236.
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    11. Kent KR, Hopfer CJ, Corley RP, Stallings MC. Executive functions as a mediator of childhood maltreatment on adult psychopathology: A longitudinal mediation analysis comparing maltreatment factor models. Child Abuse Negl. 2022 01; 123:105369. PMID: 34883422.
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    12. Ross JM, Ellingson JM, Frieser MJ, Corley RC, Hopfer CJ, Stallings MC, Wadsworth SJ, Reynolds CA, Hewitt JK. The effects of cannabis use on physical health: A co-twin control study. Drug Alcohol Depend. 2022 01 01; 230:109200. PMID: 34871975.
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    13. Ellingson JM, Hinckley JD, Ross JM, Schacht JP, Bidwell LC, Bryan AD, Hopfer CJ, Riggs P, Hutchison KE. The Neurocognitive Effects of Cannabis Across the Lifespan. Curr Behav Neurosci Rep. 2021 Dec; 8(4):124-133. PMID: 35979200.
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    14. Winters DE, Mikulich SK, Hopfer C, Sakai JT. Adolescents in Treatment for Substance Use Disorders: Callous-Unemotional Traits Moderate Associations Between Transdiagnostic Symptoms and Adolescent Suicidality. Child Psychiatry Hum Dev. 2023 04; 54(2):397-405. PMID: 34559328.
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    15. Wagner NM, Binswanger IA, Shetterly SM, Rinehart DJ, Wain KF, Hopfer C, Glanz JM. Development and validation of a prediction model for opioid use disorder among youth. Drug Alcohol Depend. 2021 10 01; 227:108980. PMID: 34482048.
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    16. Hinckley JD, Hopfer C. Marijuana Legalization in Colorado: Increasing Potency, Changing Risk Perceptions, and Emerging Public Health Concerns for Youth. Adolesc Psychiatry (Hilversum). 2021; 11(2):95-116. PMID: 37035424.
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    17. Ip HF, van der Laan CM, Krapohl EML, Brikell I, S?nchez-Mora C, Nolte IM, St Pourcain B, Bolhuis K, Palviainen T, Zafarmand H, Colodro-Conde L, Gordon S, Zayats T, Aliev F, Jiang C, Wang CA, Saunders G, Karhunen V, Hammerschlag AR, Adkins DE, Border R, Peterson RE, Prinz JA, Thiering E, Sepp?l? I, Vilor-Tejedor N, Ahluwalia TS, Day FR, Hottenga JJ, Allegrini AG, Rimfeld K, Chen Q, Lu Y, Martin J, Soler Artigas M, Rovira P, Bosch R, Espa?ol G, Ramos Quiroga JA, Neumann A, Ensink J, Grasby K, Morosoli JJ, Tong X, Marrington S, Middeldorp C, Scott JG, Vinkhuyzen A, Shabalin AA, Corley R, Evans LM, Sugden K, Alemany S, Sass L, Vinding R, Ruth K, Tyrrell J, Davies GE, Ehli EA, Hagenbeek FA, De Zeeuw E, Van Beijsterveldt TCEM, Larsson H, Snieder H, Verhulst FC, Amin N, Whipp AM, Korhonen T, Vuoksimaa E, Rose RJ, Uitterlinden AG, Heath AC, Madden P, Haavik J, Harris JR, Helgeland ?, Johansson S, Knudsen GPS, Njolstad PR, Lu Q, Rodriguez A, Henders AK, Mamun A, Najman JM, Brown S, Hopfer C, Krauter K, Reynolds C, Smolen A, Stallings M, Wadsworth S, Wall TL, Silberg JL, Miller A, Keltikangas-J?rvinen L, Hakulinen C, Pulkki-R?back L, Havdahl A, Magnus P, Raitakari OT, Perry JRB, Llop S, Lopez-Espinosa MJ, B?nnelykke K, Bisgaard H, Sunyer J, Lehtim?ki T, Arseneault L, Standl M, Heinrich J, Boden J, Pearson J, Horwood LJ, Kennedy M, Poulton R, Eaves LJ, Maes HH, Hewitt J, Copeland WE, Costello EJ, Williams GM, Wray N, J?rvelin MR, McGue M, Iacono W, Caspi A, Moffitt TE, Whitehouse A, Pennell CE, Klump KL, Burt SA, Dick DM, Reichborn-Kjennerud T, Martin NG, Medland SE, Vrijkotte T, Kaprio J, Tiemeier H, Davey Smith G, Hartman CA, Oldehinkel AJ, Casas M, Ribas?s M, Lichtenstein P, Lundstr?m S, Plomin R, Bartels M, Nivard MG, Boomsma DI. Genetic association study of childhood aggression across raters, instruments, and age. Transl Psychiatry. 2021 07 30; 11(1):413. PMID: 34330890.
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    18. Winiger EA, Ellingson JM, Morrison CL, Corley RP, Pasman JA, Wall TL, Hopfer CJ, Hewitt JK. Sleep deficits and cannabis use behaviors: an analysis of shared genetics using linkage disequilibrium score regression and polygenic risk prediction. Sleep. 2021 03 12; 44(3). PMID: 32935850.
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    19. Johnson EC, Demontis D, Thorgeirsson TE, Walters RK, Polimanti R, Hatoum AS, Sanchez-Roige S, Paul SE, Wendt FR, Clarke TK, Lai D, Reginsson GW, Zhou H, He J, Baranger DAA, Gudbjartsson DF, Wedow R, Adkins DE, Adkins AE, Alexander J, Bacanu SA, Bigdeli TB, Boden J, Brown SA, Bucholz KK, Bybjerg-Grauholm J, Corley RP, Degenhardt L, Dick DM, Domingue BW, Fox L, Goate AM, Gordon SD, Hack LM, Hancock DB, Hartz SM, Hickie IB, Hougaard DM, Krauter K, Lind PA, McClintick JN, McQueen MB, Meyers JL, Montgomery GW, Mors O, Mortensen PB, Nordentoft M, Pearson JF, Peterson RE, Reynolds MD, Rice JP, Runarsdottir V, Saccone NL, Sherva R, Silberg JL, Tarter RE, Tyrfingsson T, Wall TL, Webb BT, Werge T, Wetherill L, Wright MJ, Zellers S, Adams MJ, Bierut LJ, Boardman JD, Copeland WE, Farrer LA, Foroud TM, Gillespie NA, Grucza RA, Harris KM, Heath AC, Hesselbrock V, Hewitt JK, Hopfer CJ, Horwood J, Iacono WG, Johnson EO, Kendler KS, Kennedy MA, Kranzler HR, Madden PAF, Maes HH, Maher BS, Martin NG, McGue M, McIntosh AM, Medland SE, Nelson EC, Porjesz B, Riley BP, Stallings MC, Vanyukov MM, Vrieze S, Davis LK, Bogdan R, Gelernter J, Edenberg HJ, Stefansson K, B?rglum AD, Agrawal A. A large-scale genome-wide association study meta-analysis of cannabis use disorder. Lancet Psychiatry. 2020 12; 7(12):1032-1045. PMID: 33096046.
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    20. Ellingson JM, Ross JM, Winiger E, Stallings MC, Corley RP, Friedman NP, Hewitt JK, Tapert SF, Brown SA, Wall TL, Hopfer CJ. Familial factors may not explain the effect of moderate-to-heavy cannabis use on cognitive functioning in adolescents: a sibling-comparison study. Addiction. 2021 04; 116(4):833-844. PMID: 32881239.
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    21. Hinckley JD, Saba L, Raymond K, Bartels K, Klawitter J, Christians U, Hopfer C. An Approach to Biomarker Discovery of Cannabis Use Utilizing Proteomic, Metabolomic, and Lipidomic Analyses. Cannabis Cannabinoid Res. 2022 02; 7(1):65-77. PMID: 33998853.
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    22. Polimanti R, Walters RK, Johnson EC, McClintick JN, Adkins AE, Adkins DE, Bacanu SA, Bierut LJ, Bigdeli TB, Brown S, Bucholz KK, Copeland WE, Costello EJ, Degenhardt L, Farrer LA, Foroud TM, Fox L, Goate AM, Grucza R, Hack LM, Hancock DB, Hartz SM, Heath AC, Hewitt JK, Hopfer CJ, Johnson EO, Kendler KS, Kranzler HR, Krauter K, Lai D, Madden PAF, Martin NG, Maes HH, Nelson EC, Peterson RE, Porjesz B, Riley BP, Saccone N, Stallings M, Wall TL, Webb BT, Wetherill L, Edenberg HJ, Agrawal A, Gelernter J. Leveraging genome-wide data to investigate differences between opioid use vs. opioid dependence in 41,176 individuals from the Psychiatric Genomics Consortium. Mol Psychiatry. 2020 08; 25(8):1673-1687. PMID: 32099098.
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    23. Munn-Chernoff MA, Johnson EC, Chou YL, Coleman JRI, Thornton LM, Walters RK, Yilmaz Z, Baker JH, H?bel C, Gordon S, Medland SE, Watson HJ, Gaspar HA, Bryois J, Hinney A, Lepp? VM, Mattheisen M, Ripke S, Yao S, Giusti-Rodr?guez P, Hanscombe KB, Adan RAH, Alfredsson L, Ando T, Andreassen OA, Berrettini WH, Boehm I, Boni C, Boraska Perica V, Buehren K, Burghardt R, Cassina M, Cichon S, Clementi M, Cone RD, Courtet P, Crow S, Crowley JJ, Danner UN, Davis OSP, de Zwaan M, Dedoussis G, Degortes D, DeSocio JE, Dick DM, Dikeos D, Dina C, Dmitrzak-Weglarz M, Docampo E, Duncan LE, Egberts K, Ehrlich S, Escaram?s G, Esko T, Estivill X, Farmer A, Favaro A, Fern?ndez-Aranda F, Fichter MM, Fischer K, F?cker M, Foretova L, Forstner AJ, Forzan M, Franklin CS, Gallinger S, Giegling I, Giuranna J, Gonidakis F, Gorwood P, Gratacos Mayora M, Guillaume S, Guo Y, Hakonarson H, Hatzikotoulas K, Hauser J, Hebebrand J, Helder SG, Herms S, Herpertz-Dahlmann B, Herzog W, Huckins LM, Hudson JI, Imgart H, Inoko H, Janout V, Jim?nez-Murcia S, Juli? A, Kalsi G, Kaminsk? D, Karhunen L, Karwautz A, Kas MJH, Kennedy JL, Keski-Rahkonen A, Kiezebrink K, Kim YR, Klump KL, Knudsen GPS, La Via MC, Le Hellard S, Levitan RD, Li D, Lilenfeld L, Lin BD, Lissowska J, Luykx J, Magistretti PJ, Maj M, Mannik K, Marsal S, Marshall CR, Mattingsdal M, McDevitt S, McGuffin P, Metspalu A, Meulenbelt I, Micali N, Mitchell K, Monteleone AM, Monteleone P, Nacmias B, Navratilova M, Ntalla I, O'Toole JK, Ophoff RA, Padyukov L, Palotie A, Pantel J, Papezova H, Pinto D, Rabionet R, Raevuori A, Ramoz N, Reichborn-Kjennerud T, Ricca V, Ripatti S, Ritschel F, Roberts M, Rotondo A, Rujescu D, Rybakowski F, Santonastaso P, Scherag A, Scherer SW, Schmidt U, Schork NJ, Schosser A, Seitz J, Slachtova L, Slagboom PE, Slof-Op't Landt MCT, Slopien A, Sorbi S, Swiatkowska B, Szatkiewicz JP, Tachmazidou I, Tenconi E, Tortorella A, Tozzi F, Treasure J, Tsitsika A, Tyszkiewicz-Nwafor M, Tziouvas K, van Elburg AA, van Furth EF, Wagner G, Walton E, Widen E, Zeggini E, Zerwas S, Zipfel S, Bergen AW, Boden JM, Brandt H, Crawford S, Halmi KA, Horwood LJ, Johnson C, Kaplan AS, Kaye WH, Mitchell J, Olsen CM, Pearson JF, Pedersen NL, Strober M, Werge T, Whiteman DC, Woodside DB, Grove J, Henders AK, Larsen JT, Parker R, Petersen LV, Jordan J, Kennedy MA, Birgeg?rd A, Lichtenstein P, Norring C, Land?n M, Mortensen PB, Polimanti R, McClintick JN, Adkins AE, Aliev F, Bacanu SA, Batzler A, Bertelsen S, Biernacka JM, Bigdeli TB, Chen LS, Clarke TK, Degenhardt F, Docherty AR, Edwards AC, Foo JC, Fox L, Frank J, Hack LM, Hartmann AM, Hartz SM, Heilmann-Heimbach S, Hodgkinson C, Hoffmann P, Hottenga JJ, Konte B, Lahti J, Lahti-Pulkkinen M, Lai D, Ligthart L, Loukola A, Maher BS, Mbarek H, McIntosh AM, McQueen MB, Meyers JL, Milaneschi Y, Palviainen T, Peterson RE, Ryu E, Saccone NL, Salvatore JE, Sanchez-Roige S, Schwandt M, Sherva R, Streit F, Strohmaier J, Thomas N, Wang JC, Webb BT, Wedow R, Wetherill L, Wills AG, Zhou H, Boardman JD, Chen D, Choi DS, Copeland WE, Culverhouse RC, Dahmen N, Degenhardt L, Domingue BW, Frye MA, G?ebel W, Hayward C, Ising M, Keyes M, Kiefer F, Koller G, Kramer J, Kuperman S, Lucae S, Lynskey MT, Maier W, Mann K, M?nnist? S, M?ller-Myhsok B, Murray AD, Nurnberger JI, Preuss U, R?ikk?nen K, Reynolds MD, Ridinger M, Scherbaum N, Schuckit MA, Soyka M, Treutlein J, Witt SH, Wodarz N, Zill P, Adkins DE, Boomsma DI, Bierut LJ, Brown SA, Bucholz KK, Costello EJ, de Wit H, Diazgranados N, Eriksson JG, Farrer LA, Foroud TM, Gillespie NA, Goate AM, Goldman D, Grucza RA, Hancock DB, Harris KM, Hesselbrock V, Hewitt JK, Hopfer CJ, Iacono WG, Johnson EO, Karpyak VM, Kendler KS, Kranzler HR, Krauter K, Lind PA, McGue M, MacKillop J, Madden PAF, Maes HH, Magnusson PKE, Nelson EC, N?then MM, Palmer AA, Penninx BWJH, Porjesz B, Rice JP, Rietschel M, Riley BP, Rose RJ, Shen PH, Silberg J, Stallings MC, Tarter RE, Vanyukov MM, Vrieze S, Wall TL, Whitfield JB, Zhao H, Neale BM, Wade TD, et al. Shared genetic risk between eating disorder- and substance-use-related phenotypes: Evidence from genome-wide association studies. Addict Biol. 2021 01; 26(1):e12880. PMID: 32064741.
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    24. Zellers SM, Corley R, Thibodeau E, Kirkpatrick R, Elkins I, Iacono WG, Hopfer C, Hewitt JK, McGue M, Vrieze S. Adolescent Externalizing Psychopathology and Its Prospective Relationship to Marijuana Use Development from Age 14 to 30: Replication Across Independent Longitudinal Twin Samples. Behav Genet. 2020 05; 50(3):139-151. PMID: 32036544.
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    25. Calcaterra SL, Cunningham CO, Hopfer CJ. The Void in Clinician Counseling of Cannabis Use. J Gen Intern Med. 2020 06; 35(6):1875-1878. PMID: 31898125.
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    26. Kitzman H, Olds DL, Knudtson MD, Cole R, Anson E, Smith JA, Fishbein D, DiClemente R, Wingood G, Caliendo AM, Hopfer C, Miller T, Conti G. Prenatal and Infancy Nurse Home Visiting and 18-Year Outcomes of a Randomized Trial. Pediatrics. 2019 12; 144(6). PMID: 31748254.
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    27. Olds DL, Kitzman H, Anson E, Smith JA, Knudtson MD, Miller T, Cole R, Hopfer C, Conti G. Prenatal and Infancy Nurse Home Visiting Effects on Mothers: 18-Year Follow-up of a Randomized Trial. Pediatrics. 2019 12; 144(6). PMID: 31748253.
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    28. Ellingson JM, Bidwell LC, Hopfer CJ, Hutchison KE, Bryan AD. Correlates and Potential Confounds of Cannabis Withdrawal Among High-Risk Adolescents. J Stud Alcohol Drugs. 2019 09; 80(5):557-562. PMID: 31603758.
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    29. Rodriguez CE, Sheeder J, Allshouse AA, Scott S, Wymore E, Hopfer C, Hermesch A, Metz TD. Marijuana use in young mothers and adverse pregnancy outcomes: a retrospective cohort study. BJOG. 2019 Nov; 126(12):1491-1497. PMID: 31334907.
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    30. Hagler DJ, Hatton S, Cornejo MD, Makowski C, Fair DA, Dick AS, Sutherland MT, Casey BJ, Barch DM, Harms MP, Watts R, Bjork JM, Garavan HP, Hilmer L, Pung CJ, Sicat CS, Kuperman J, Bartsch H, Xue F, Heitzeg MM, Laird AR, Trinh TT, Gonzalez R, Tapert SF, Riedel MC, Squeglia LM, Hyde LW, Rosenberg MD, Earl EA, Howlett KD, Baker FC, Soules M, Diaz J, de Leon OR, Thompson WK, Neale MC, Herting M, Sowell ER, Alvarez RP, Hawes SW, Sanchez M, Bodurka J, Breslin FJ, Morris AS, Paulus MP, Simmons WK, Polimeni JR, van der Kouwe A, Nencka AS, Gray KM, Pierpaoli C, Matochik JA, Noronha A, Aklin WM, Conway K, Glantz M, Hoffman E, Little R, Lopez M, Pariyadath V, Weiss SR, Wolff-Hughes DL, DelCarmen-Wiggins R, Feldstein Ewing SW, Miranda-Dominguez O, Nagel BJ, Perrone AJ, Sturgeon DT, Goldstone A, Pfefferbaum A, Pohl KM, Prouty D, Uban K, Bookheimer SY, Dapretto M, Galvan A, Bagot K, Giedd J, Infante MA, Jacobus J, Patrick K, Shilling PD, Desikan R, Li Y, Sugrue L, Banich MT, Friedman N, Hewitt JK, Hopfer C, Sakai J, Tanabe J, Cottler LB, Nixon SJ, Chang L, Cloak C, Ernst T, Reeves G, Kennedy DN, Heeringa S, Peltier S, Schulenberg J, Sripada C, Zucker RA, Iacono WG, Luciana M, Calabro FJ, Clark DB, Lewis DA, Luna B, Schirda C, Brima T, Foxe JJ, Freedman EG, Mruzek DW, Mason MJ, Huber R, McGlade E, Prescot A, Renshaw PF, Yurgelun-Todd DA, Allgaier NA, Dumas JA, Ivanova M, Potter A, Florsheim P, Larson C, Lisdahl K, Charness ME, Fuemmeler B, Hettema JM, Maes HH, Steinberg J, Anokhin AP, Glaser P, Heath AC, Madden PA, Baskin-Sommers A, Constable RT, Grant SJ, Dowling GJ, Brown SA, Jernigan TL, Dale AM. Image processing and analysis methods for the Adolescent Brain Cognitive Development Study. Neuroimage. 2019 11 15; 202:116091. PMID: 31415884.
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    81. Hopfer C, Salomonsen-Sautel S, Mikulich-Gilbertson S, Min SJ, McQueen M, Crowley T, Young S, Corley R, Sakai J, Thurstone C, Hoffenberg A, Hartman C, Hewitt J. Conduct disorder and initiation of substance use: a prospective longitudinal study. J Am Acad Child Adolesc Psychiatry. 2013 May; 52(5):511-518.e4. PMID: 23622852.
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    82. Kamens HM, Corley RP, McQueen MB, Stallings MC, Hopfer CJ, Crowley TJ, Brown SA, Hewitt JK, Ehringer MA. Nominal association with CHRNA4 variants and nicotine dependence. Genes Brain Behav. 2013 Apr; 12(3):297-304. PMID: 23350800.
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    83. Hunter LE, Hopfer C, Terry SF, Coors ME. Reporting actionable research results: shared secrets can save lives. Sci Transl Med. 2012 Jul 18; 4(143):143cm8. PMID: 22814848.
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    84. Salomonsen-Sautel S, Sakai JT, Thurstone C, Corley R, Hopfer C. Medical marijuana use among adolescents in substance abuse treatment. J Am Acad Child Adolesc Psychiatry. 2012 Jul; 51(7):694-702. PMID: 22721592.
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    85. Sakai JT, Crowley TJ, Stallings MC, McQueen M, Hewitt JK, Hopfer C, Hoft NR, Ehringer MA. Test of association between 10 single nucleotide polymorphisms in the oxytocin receptor gene and conduct disorder. Psychiatr Genet. 2012 Apr; 22(2):99-102. PMID: 21934640.
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    86. Zeiger JS, Haberstick BC, Corley RP, Ehringer MA, Crowley TJ, Hewitt JK, Hopfer CJ, Stallings MC, Young SE, Rhee SH. Subjective effects for alcohol, tobacco, and marijuana association with cross-drug outcomes. Drug Alcohol Depend. 2012 Jun; 123 Suppl 1:S52-8. PMID: 22445481.
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    87. Palmer RH, Button TM, Rhee SH, Corley RP, Young SE, Stallings MC, Hopfer CJ, Hewitt JK. Genetic etiology of the common liability to drug dependence: evidence of common and specific mechanisms for DSM-IV dependence symptoms. Drug Alcohol Depend. 2012 Jun; 123 Suppl 1:S24-32. PMID: 22243758.
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    88. Stephens SH, Hoft NR, Schlaepfer IR, Young SE, Corley RC, McQueen MB, Hopfer C, Crowley T, Stallings M, Hewitt J, Ehringer MA. Externalizing behaviors are associated with SNPs in the CHRNA5/CHRNA3/CHRNB4 gene cluster. Behav Genet. 2012 May; 42(3):402-14. PMID: 22042234.
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    89. Haberstick BC, Ehringer MA, Lessem JM, Hopfer CJ, Hewitt JK. Dizziness and the genetic influences on subjective experiences to initial cigarette use. Addiction. 2011 Feb; 106(2):391-9. PMID: 20955488.
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    90. Haberstick BC, Zeiger JS, Corley RP, Hopfer CJ, Stallings MC, Rhee SH, Hewitt JK. Common and drug-specific genetic influences on subjective effects to alcohol, tobacco and marijuana use. Addiction. 2011 Jan; 106(1):215-24. PMID: 20955487.
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    91. Zeiger JS, Haberstick BC, Corley RP, Ehringer MA, Crowley TJ, Hewitt JK, Hopfer CJ, Stallings MC, Young SE, Rhee SH. Subjective effects to marijuana associated with marijuana use in community and clinical subjects. Drug Alcohol Depend. 2010 Jun 01; 109(1-3):161-6. PMID: 20149559.
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    92. Haberstick BC, Lessem JM, McQueen MB, Boardman JD, Hopfer CJ, Smolen A, Hewitt JK. Stable genes and changing environments: body mass index across adolescence and young adulthood. Behav Genet. 2010 Jul; 40(4):495-504. PMID: 20087641.
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    93. Schulz-Heik RJ, Rhee SH, Silvern LE, Haberstick BC, Hopfer C, Lessem JM, Hewitt JK. The association between conduct problems and maltreatment: testing genetic and environmental mediation. Behav Genet. 2010 May; 40(3):338-48. PMID: 20024671.
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    94. Hartman CA, Hopfer CJ, Haberstick B, Rhee SH, Crowley TJ, Corley RP, Hewitt JK, Ehringer MA. The association between cannabinoid receptor 1 gene (CNR1) and cannabis dependence symptoms in adolescents and young adults. Drug Alcohol Depend. 2009 Sep 01; 104(1-2):11-6. PMID: 19443135.
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    95. Jay Schulz-Heik R, Rhee SH, Silvern L, Lessem JM, Haberstick BC, Hopfer C, Hewitt JK. Investigation of genetically mediated child effects on maltreatment. Behav Genet. 2009 May; 39(3):265-76. PMID: 19283463.
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    96. Palmer RH, Young SE, Hopfer CJ, Corley RP, Stallings MC, Crowley TJ, Hewitt JK. Developmental epidemiology of drug use and abuse in adolescence and young adulthood: Evidence of generalized risk. Drug Alcohol Depend. 2009 Jun 01; 102(1-3):78-87. PMID: 19250776.
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    97. Gelhorn H, Hartman C, Sakai J, Mikulich-Gilbertson S, Stallings M, Young S, Rhee S, Corley R, Hewitt J, Hopfer C, Crowley T. An item response theory analysis of DSM-IV conduct disorder. J Am Acad Child Adolesc Psychiatry. 2009 Jan; 48(1):42-50. PMID: 19034046.
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    98. Gelhorn H, Hartman C, Sakai J, Stallings M, Young S, Rhee SH, Corley R, Hewitt J, Hopfer C, Crowley T. Toward DSM-V: an item response theory analysis of the diagnostic process for DSM-IV alcohol abuse and dependence in adolescents. J Am Acad Child Adolesc Psychiatry. 2008 Nov; 47(11):1329-39. PMID: 18827724.
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    99. Salomonsen-Sautel S, Van Leeuwen JM, Gilroy C, Boyle S, Malberg D, Hopfer C. Correlates of substance use among homeless youths in eight cities. Am J Addict. 2008 May-Jun; 17(3):224-34. PMID: 18464000.
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    100. Corley RP, Zeiger JS, Crowley T, Ehringer MA, Hewitt JK, Hopfer CJ, Lessem J, McQueen MB, Rhee SH, Smolen A, Stallings MC, Young SE, Krauter K. Association of candidate genes with antisocial drug dependence in adolescents. Drug Alcohol Depend. 2008 Jul 01; 96(1-2):90-8. PMID: 18384978.
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    101. Hartman CA, Gelhorn H, Crowley TJ, Sakai JT, Stallings M, Young SE, Rhee SH, Corley R, Hewitt JK, Hopfer CJ. Item response theory analysis of DSM-IV cannabis abuse and dependence criteria in adolescents. J Am Acad Child Adolesc Psychiatry. 2008 Feb; 47(2):165-173. PMID: 18176333.
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    102. Schlaepfer IR, Hoft NR, Collins AC, Corley RP, Hewitt JK, Hopfer CJ, Lessem JM, McQueen MB, Rhee SH, Ehringer MA. The CHRNA5/A3/B4 gene cluster variability as an important determinant of early alcohol and tobacco initiation in young adults. Biol Psychiatry. 2008 Jun 01; 63(11):1039-46. PMID: 18163978.
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    103. Zeiger JS, Haberstick BC, Schlaepfer I, Collins AC, Corley RP, Crowley TJ, Hewitt JK, Hopfer CJ, Lessem J, McQueen MB, Rhee SH, Ehringer MA. The neuronal nicotinic receptor subunit genes (CHRNA6 and CHRNB3) are associated with subjective responses to tobacco. Hum Mol Genet. 2008 Mar 01; 17(5):724-34. PMID: 18055561.
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    104. Haberstick BC, Timberlake D, Hopfer CJ, Lessem JM, Ehringer MA, Hewitt JK. Genetic and environmental contributions to retrospectively reported DSM-IV childhood attention deficit hyperactivity disorder. Psychol Med. 2008 Jul; 38(7):1057-66. PMID: 17892623.
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    105. Sakai JT, Lessem JM, Haberstick BC, Hopfer CJ, Smolen A, Ehringer MA, Timberlake D, Hewitt JK. Case-control and within-family tests for association between 5HTTLPR and conduct problems in a longitudinal adolescent sample. Psychiatr Genet. 2007 Aug; 17(4):207-14. PMID: 17621163.
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    106. Ehringer MA, Clegg HV, Collins AC, Corley RP, Crowley T, Hewitt JK, Hopfer CJ, Krauter K, Lessem J, Rhee SH, Schlaepfer I, Smolen A, Stallings MC, Young SE, Zeiger JS. Association of the neuronal nicotinic receptor beta2 subunit gene (CHRNB2) with subjective responses to alcohol and nicotine. Am J Med Genet B Neuropsychiatr Genet. 2007 Jul 05; 144B(5):596-604. PMID: 17226798.
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    107. Schlaepfer IR, Clegg HV, Corley RP, Crowley TJ, Hewitt JK, Hopfer CJ, Krauter K, Lessem J, Rhee SH, Stallings MC, Wehner JM, Young SE, Ehringer MA. The human protein kinase C gamma gene (PRKCG) as a susceptibility locus for behavioral disinhibition. Addict Biol. 2007 Jun; 12(2):200-9. PMID: 17508994.
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    108. Haberstick BC, Timberlake D, Smolen A, Sakai JT, Hopfer CJ, Corley RP, Young SE, Stallings MC, Huizinga D, Menard S, Hartman C, Grotpeter J, Hewitt JK. Between- and within-family association test of the dopamine receptor D2 TaqIA polymorphism and alcohol abuse and dependence in a general population sample of adults. J Stud Alcohol Drugs. 2007 May; 68(3):362-70. PMID: 17446975.
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    109. Timberlake DS, Hopfer CJ, Rhee SH, Friedman NP, Haberstick BC, Lessem JM, Hewitt JK. College attendance and its effect on drinking behaviors in a longitudinal study of adolescents. Alcohol Clin Exp Res. 2007 Jun; 31(6):1020-30. PMID: 17403064.
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    110. Haberstick BC, Timberlake D, Ehringer MA, Lessem JM, Hopfer CJ, Smolen A, Hewitt JK. Genes, time to first cigarette and nicotine dependence in a general population sample of young adults. Addiction. 2007 Apr; 102(4):655-65. PMID: 17309537.
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    111. Timberlake DS, Haberstick BC, Hopfer CJ, Bricker J, Sakai JT, Lessem JM, Hewitt JK. Progression from marijuana use to daily smoking and nicotine dependence in a national sample of U.S. adolescents. Drug Alcohol Depend. 2007 May 11; 88(2-3):272-81. PMID: 17174040.
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    112. Hopfer CJ, Lessem JM, Hartman CA, Stallings MC, Cherny SS, Corley RP, Hewitt JK, Krauter KS, Mikulich-Gilbertson SK, Rhee SH, Smolen A, Young SE, Crowley TJ. A genome-wide scan for loci influencing adolescent cannabis dependence symptoms: evidence for linkage on chromosomes 3 and 9. Drug Alcohol Depend. 2007 Jun 15; 89(1):34-41. PMID: 17169504.
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    113. Hopfer CJ, Young SE, Purcell S, Crowley TJ, Stallings MC, Corley RP, Rhee SH, Smolen A, Krauter K, Hewitt JK, Ehringer MA. Cannabis receptor haplotype associated with fewer cannabis dependence symptoms in adolescents. Am J Med Genet B Neuropsychiatr Genet. 2006 Dec 05; 141B(8):895-901. PMID: 16917946.
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    114. Sakai JT, Hopfer CJ, Hartman C, Haberstick BC, Smolen A, Corley RP, Stallings MC, Young SE, Timberlake D, Hewitt JK, Crowley TJ. Test of association between TaqIA A1 allele and alcohol use disorder phenotypes in a sample of adolescent patients with serious substance and behavioral problems. Drug Alcohol Depend. 2007 May 11; 88(2-3):130-7. PMID: 17069991.
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    115. Hartman CA, Lessem JM, Hopfer CJ, Crowley TJ, Stallings MC. The family transmission of adolescent alcohol abuse and dependence. J Stud Alcohol. 2006 Sep; 67(5):657-64. PMID: 16847533.
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    116. Hopfer C. Alcoholism: Study boosts evidence on linkage regions associated with alcoholism. Eur J Hum Genet. 2006 Dec; 14(12):1231-2. PMID: 16835588.
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    117. Lessem JM, Hopfer CJ, Haberstick BC, Timberlake D, Ehringer MA, Smolen A, Hewitt JK. Relationship between adolescent marijuana use and young adult illicit drug use. Behav Genet. 2006 Jul; 36(4):498-506. PMID: 16565887.
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    118. Van Leeuwen JM, Boyle S, Salomonsen-Sautel S, Baker DN, Garcia JT, Hoffman A, Hopfer CJ. Lesbian, gay, and bisexual homeless youth: an eight-city public health perspective. Child Welfare. 2006 Mar-Apr; 85(2):151-70. PMID: 16846110.
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    119. Timberlake DS, Haberstick BC, Lessem JM, Smolen A, Ehringer M, Hewitt JK, Hopfer C. An association between the DAT1 polymorphism and smoking behavior in young adults from the National Longitudinal Study of Adolescent Health. Health Psychol. 2006 Mar; 25(2):190-7. PMID: 16569110.
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    120. Timberlake DS, Rhee SH, Haberstick BC, Hopfer C, Ehringer M, Lessem JM, Smolen A, Hewitt JK. The moderating effects of religiosity on the genetic and environmental determinants of smoking initiation. Nicotine Tob Res. 2006 Feb; 8(1):123-33. PMID: 16497606.
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    121. Hopfer C, Mendelson B, Van Leeuwen JM, Kelly S, Hooks S. Club drug use among youths in treatment for substance abuse. Am J Addict. 2006 Jan-Feb; 15(1):94-9. PMID: 16449098.
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    122. Haberstick BC, Lessem JM, Hopfer CJ, Smolen A, Ehringer MA, Timberlake D, Hewitt JK. Monoamine oxidase A (MAOA) and antisocial behaviors in the presence of childhood and adolescent maltreatment. Am J Med Genet B Neuropsychiatr Genet. 2005 May 05; 135B(1):59-64. PMID: 15806601.
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    123. Hopfer CJ, Timberlake D, Haberstick B, Lessem JM, Ehringer MA, Smolen A, Hewitt JK. Genetic influences on quantity of alcohol consumed by adolescents and young adults. Drug Alcohol Depend. 2005 May 09; 78(2):187-93. PMID: 15845322.
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    124. Loo SK, Hopfer C, Teale PD, Reite ML. EEG correlates of methylphenidate response in ADHD: association with cognitive and behavioral measures. J Clin Neurophysiol. 2004 Nov-Dec; 21(6):457-64. PMID: 15622134.
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    125. Sakai JT, Stallings MC, Mikulich-Gilbertson SK, Corley RP, Young SE, Hopfer CJ, Crowley TJ. Mate similarity for substance dependence and antisocial personality disorder symptoms among parents of patients and controls. Drug Alcohol Depend. 2004 Aug 16; 75(2):165-75. PMID: 15276222.
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    126. Van Leeuwen JM, Hopfer C, Hooks S, White R, Petersen J, Pirkopf J. A snapshot of substance abuse among homeless and runaway youth in Denver, Colorado. J Community Health. 2004 Jun; 29(3):217-29. PMID: 15141897.
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    127. Loo SK, Specter E, Smolen A, Hopfer C, Teale PD, Reite ML. Functional effects of the DAT1 polymorphism on EEG measures in ADHD. J Am Acad Child Adolesc Psychiatry. 2003 Aug; 42(8):986-93. PMID: 12874502.
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    128. Hopfer CJ, Stallings MC, Hewitt JK, Crowley TJ. Family transmission of marijuana use, abuse, and dependence. J Am Acad Child Adolesc Psychiatry. 2003 Jul; 42(7):834-41. PMID: 12819443.
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    129. Hopfer CJ, Crowley TJ, Hewitt JK. Review of twin and adoption studies of adolescent substance use. J Am Acad Child Adolesc Psychiatry. 2003 Jun; 42(6):710-9. PMID: 12921479.
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    130. Hopfer CJ, Khuri E, Crowley TJ. Treating adolescent heroin use. J Am Acad Child Adolesc Psychiatry. 2003 May; 42(5):609-11. PMID: 12707565.
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    131. Hopfer CJ, Mikulich SK, Crowley TJ. Heroin use among adolescents in treatment for substance use disorders. J Am Acad Child Adolesc Psychiatry. 2000 Oct; 39(10):1316-23. PMID: 11026188.
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    132. M?ckter H, Islambouli S, Doklea E, Hopfer C, Szinicz L, Fichtl B, Forth W. Isolated rat kidney tubules as a screening system for arsenic antidotes. Toxicol Appl Pharmacol. 1993 Jul; 121(1):118-28. PMID: 8393218.
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    133. Renner G, Hopfer C. Metabolic studies on pentachlorophenol (PCP) in rats. Xenobiotica. 1990 Jun; 20(6):573-82. PMID: 2219952.
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