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Steven P Ringel

TitleProfessor-Clinical
InstitutionUniversity of Colorado Denver - Anschutz Medical Campus
DepartmentSOM-Neurology
Phone303/724-2188

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    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. Lozowska D, Ringel SP, Winder TL, Liu J, Liewluck T. Anticholinesterase Therapy Worsening Head Drop and Limb Weakness Due to a Novel DOK7 Mutation. J Clin Neuromuscul Dis. 2015 Dec; 17(2):72-7. PMID: 26583494.
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    2. Lozowska D, Liewluck T, Quan D, Ringel SP. Exertional rhabdomyolysis associated with high intensity exercise. Muscle Nerve. 2015 Dec; 52(6):1134-5. PMID: 26212224.
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    3. Ringel SP. The practice of neurology: Looking ahead by looking back. Neurology. 2015 May 19; 84(20):2086-91. PMID: 25888560.
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    4. Ringel SP. Reflections: neurology and the humanities. Aging doctors. Neurology. 2014 Sep 23; 83(13):e122-4. PMID: 25379591.
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    5. Ringel SP. Reflections: neurology and the humanities. More than "Just the facts, ma'am". Neurology. 2013 Jul 23; 81(4):e20-2. PMID: 24044117.
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    6. Ravits J, Appel S, Baloh RH, Barohn R, Brooks BR, Elman L, Floeter MK, Henderson C, Lomen-Hoerth C, Macklis JD, McCluskey L, Mitsumoto H, Przedborski S, Rothstein J, Trojanowski JQ, van den Berg LH, Ringel S. Deciphering amyotrophic lateral sclerosis: what phenotype, neuropathology and genetics are telling us about pathogenesis. Amyotroph Lateral Scler Frontotemporal Degener. 2013 May; 14 Suppl 1:5-18. PMID: 23678876; PMCID: PMC3779649.
    7. Oskarsson B, Ringel SP. Oculopharyngeal muscular dystrophy as a cause of progression of weakness in antibody positive myasthenia gravis. Neuromuscul Disord. 2013 Apr; 23(4):316-8. PMID: 23453859; PMCID: PMC4181576.
    8. White C, Groenewold JJ, Lofgren RP, Meurer SJ, Johnson S, Rogers M, Campbell C, Barbour H, Brazile D, Ondrasik J, Tesmer A, DeBehnke D, Kulkarni OP, van der Geest K, Hart K, Hubenette A, Mass S, Samuels B, Murray J, Carr L, Smith J, Sweeney B, Johnston ML, Angeles PD, Meaney N, Best A, Adams-Campbell H, Hepburn-Smith M, Swarthout MD, Efird L, Nesbit TW, Cawley PJ, Sachs BL, Rees CE, Berman B, Halperin J, Amalfitano C, Anghel S, Luka N, Maund C, Postighone R, Ruggiero C, Belisle C, Stashek C, Dellit TH, Schreuder AB, Leverentz DM, Simon M, Mohan H, Graff AE, Radford MJ, Rivera ML, Bennan J, Hoiting T, Hayes BD, Feemster AA, Benedetti TJ, Walker S, Truwit JD, Enfield KB, Li J, William BJ, Grover-Patrick T, Kay NK, Young JS, Adrian B, Ringel SP, Cole B, Scanlon K, Schwarz R, Pontieri-Lewis V, Ryan J, Martinson W, Eckel SF, Granko RP, Savage S, Crisp B, Smith E, Daniels R, Brennan P, Rich V, Doyle J, May L, Wagner M, Collins B, Lewin G, Ambookan M, Vertichio R, Joseph A, Jackson GF, Maher M, Sabel A, Valdez C, Brown B, Moldenhauer K, Chou J, MacKenzie TD, Lovett PB, Davis-Moon L, Mathew RG, Randolph FT. Re:imagine: a report on the UHC Annual Conference 2012. Am J Med Qual. 2013 Mar-Apr; 28(1 Suppl):3S-28S. PMID: 23462139.
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    9. Ringel SP. Reflections: Neurology and the humanities. The changing view from Lookout Mountain. Neurology. 2012 Feb 28; 78(9):e55-6. PMID: 22462083.
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    10. Holloway RG, Ringel SP. Getting to value in neurological care: a roadmap for academic neurology. Ann Neurol. 2011 Jun; 69(6):909-18. PMID: 21681794.
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    11. Ringel SP. Practicing medicine versus pushing paper. Health Aff (Millwood). 2011 Jun; 30(6):1200-2. PMID: 21653972.
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    12. Ringel SP. Reflections for July: Restraints and constraints. Neurology. 2010 Jul 13; 75(2):189-91. PMID: 20625173.
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    13. Oskarsson B, Quan D, Rollins YD, Neville HE, Ringel SP, Arciniegas DB. Using the Frontal Assessment Battery to identify executive function impairments in amyotrophic lateral sclerosis: A preliminary experience. Amyotroph Lateral Scler. 2010; 11(1-2):244-7. PMID: 19530013.
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    14. Ringel SP. Reflections: neurology and the humanities. Teaching rounds and change. Neurology. 2009 Jun 09; 72(23):2049-51. PMID: 19506230.
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    15. Van Hove JL, Cunningham V, Rice C, Ringel SP, Zhang Q, Chou PC, Truong CK, Wong LJ. Finding twinkle in the eyes of a 71-year-old lady: a case report and review of the genotypic and phenotypic spectrum of TWINKLE-related dominant disease. Am J Med Genet A. 2009 May; 149A(5):861-7. PMID: 19353676.
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    16. Ringel SP, Swash M. Reflections: neurology and the humanities. Money and medicine: a problem that won't go away. Neurology. 2009 Feb 24; 72(8):766-8. PMID: 19237709.
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    17. Miller RG, Anderson F, Brooks BR, Mitsumoto H, Bradley WG, Ringel SP. Outcomes research in amyotrophic lateral sclerosis: lessons learned from the amyotrophic lateral sclerosis clinical assessment, research, and education database. Ann Neurol. 2009 Jan; 65 Suppl 1:S24-8. PMID: 19191307.
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    18. Ringel SP. A piece of my mind. Lessons from the Santa Fe trail. JAMA. 2008 Mar 05; 299(9):998-9. PMID: 18319403.
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    19. Ringel SP. Autonomy and ars moriendi. Neurology. 2006 Sep 26; 67(6):1101-2. PMID: 17000994.
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    20. Frey LC, Ringel SP, Filley CM. The natural history of cognitive dysfunction in late-onset GM2 gangliosidosis. Arch Neurol. 2005 Jun; 62(6):989-94. PMID: 15956171.
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    21. Ringel SP. Future national study group in ALS. Amyotroph Lateral Scler Other Motor Neuron Disord. 2004 Sep; 5 Suppl 1:135-6. PMID: 15512897.
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    22. Ringel SP. Personal history: locked in or locked out? Neurology. 2004 May 11; 62(9):1650-2. PMID: 15136710.
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    23. Hall DA, Ringel SP. Adult nonketotic hyperglycinemia (NKH) crisis presenting as severe chorea and encephalopathy. Mov Disord. 2004 Apr; 19(4):485-6. PMID: 15077252.
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    24. Rosenberg RN, Pedley TA, Baringer JR, Fahn S, Lisak RP, Mayeux RP, Olson SF, Ringel SP, Rowland LP, Selzer ME. At jeopardy: the NIH as we know it. Neurorehabil Neural Repair. 2003 Dec; 17(4):203-5. PMID: 14677215.
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    25. Ringel SP, Vickrey BG, Schembri M, Kravitz RL. Neurologists' assessment of their ability to provide high quality care. Neurology. 2003 Sep 09; 61(5):612-5. PMID: 12963749.
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    26. Rosenberg RN, Pedley TA, Baringer JR, Fahn S, Lisak RP, Mayeux RP, Olson SF, Ringel SP, Rowland LP, Selzer ME. At jeopardy: the NIH as we know it. Arch Neurol. 2003 Sep; 60(9):1191-2. PMID: 12975281.
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    27. Mitsumoto H, Davidson M, Moore D, Gad N, Brandis M, Ringel S, Rosenfeld J, Shefner JM, Strong MJ, Sufit R, Anderson FA. Percutaneous endoscopic gastrostomy (PEG) in patients with ALS and bulbar dysfunction. Amyotroph Lateral Scler Other Motor Neuron Disord. 2003 Sep; 4(3):177-85. PMID: 13129795.
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    28. Ringel SP. A piece of my mind. Patients like Linda. JAMA. 2003 Jul 09; 290(2):165-6. PMID: 12851256.
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    29. Ringel SP. Cost effectiveness: summary. Amyotroph Lateral Scler Other Motor Neuron Disord. 2002; 3 Suppl 1:S67-9. PMID: 12396813.
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    30. Sanjak M, Brinkmann J, Belden DS, Roelke K, Waclawik A, Neville HE, Ringel SP, Murphy JR, Brooks BR. Quantitative assessment of motor fatigue in amyotrophic lateral sclerosis. J Neurol Sci. 2001 Oct 15; 191(1-2):55-9. PMID: 11676992.
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    31. Ringel SP, Steiner JF, Vickrey BG, Spencer SS. Training clinical researchers in neurology: we must do better. Neurology. 2001 Aug 14; 57(3):388-92. PMID: 11502901.
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    32. Miller RG, Moore DH, Gelinas DF, Dronsky V, Mendoza M, Barohn RJ, Bryan W, Ravits J, Yuen E, Neville H, Ringel S, Bromberg M, Petajan J, Amato AA, Jackson C, Johnson W, Mandler R, Bosch P, Smith B, Graves M, Ross M, Sorenson EJ, Kelkar P, Parry G, Olney R. Phase III randomized trial of gabapentin in patients with amyotrophic lateral sclerosis. Neurology. 2001 Apr 10; 56(7):843-8. PMID: 11294919.
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    33. Holloway RG, Ringel SP, Bernat JL, Keran CM, Lawyer BL. US neurologists: attitudes on rationing. Neurology. 2000 Nov 28; 55(10):1492-7. PMID: 11094103.
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    34. Ringel SP, Vickrey BG, Keran CM, Bieber J, Bradley WG. Training the future neurology workforce. Neurology. 2000 Jan 25; 54(2):480-4. PMID: 10668718.
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    35. Miller RG, Anderson FA, Bradley WG, Brooks BR, Mitsumoto H, Munsat TL, Ringel SP. The ALS patient care database: goals, design, and early results. ALS C.A.R.E. Study Group. Neurology. 2000 Jan 11; 54(1):53-7. PMID: 10636125.
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    36. Ringel SP. Hey Mrs Robinson, it's therapeutics! Arch Neurol. 2000 Jan; 57(1):56. PMID: 10634439.
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    37. Ringel SP, Bradley WG, Spencer SS. The crisis in clinical research. JAMA. 1999 Nov 24; 282(20):1914-5; author reply 1915-6. PMID: 10580449.
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    38. Carver AC, Vickrey BG, Bernat JL, Keran C, Ringel SP, Foley KM. End-of-life care: a survey of US neurologists' attitudes, behavior, and knowledge. Neurology. 1999 Jul 22; 53(2):284-93. PMID: 10430415.
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    39. Mackin GA, Gordon MJ, Neville HE, Ringel SP. Restoring hand function in patients with severe polyneuropathy: the role of electromyography before tendon transfer surgery. J Hand Surg Am. 1999 Jul; 24(4):732-42. PMID: 10447165.
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    40. Ringel SP. Practicing neurology: a delicate balance. Neurology. 1999 May 12; 52(8):1526-32. PMID: 10331671.
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    41. Goldstein ML, Ringel SP. Neurologic single system examination documentation requirements. Neurology. 1998 Feb; 50(2):326. PMID: 9484347.
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    42. Holloway RG, Ringel SP. Narrowing the evidence-practice gap. Strengthening the link between research and clinical practice. Neurology. 1998 Feb; 50(2):319-21. PMID: 9484342.
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    43. Bernat JL, Goldstein ML, Ringel SP. Conflicts of interest in neurology. Neurology. 1998 Feb; 50(2):327-31. PMID: 9484348.
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    44. Ringel SP, Vickrey BG. Measuring quality of care in neurology. Arch Neurol. 1997 Nov; 54(11):1329-32. PMID: 9362977.
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    45. Bernat JL, Ringel SP, Vickrey BG, Keran C. Attitudes of US neurologists concerning the ethical dimensions of managed care. Neurology. 1997 Jul; 49(1):4-13. PMID: 9222163.
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    46. Miller RG, Moore D, Young LA, Armon C, Barohn RJ, Bromberg MB, Bryan WW, Gelinas DF, Mendoza MC, Neville HE, Parry GJ, Petajan JH, Ravits JM, Ringel SP, Ross MA. Placebo-controlled trial of gabapentin in patients with amyotrophic lateral sclerosis. WALS Study Group. Western Amyotrophic Lateral Sclerosis Study Group. Neurology. 1996 Dec; 47(6):1383-8. PMID: 8960715.
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    47. Ringel SP. The neurologist's role in stroke management. Stroke. 1996 Nov; 27(11):1935-6. PMID: 8898794.
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    48. Ringel SP, Hughes RL. Evidence-based medicine, critical pathways, practice guidelines, and managed care. Reflections on the prevention and care of stroke. Arch Neurol. 1996 Sep; 53(9):867-71. PMID: 8815851.
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    49. Ringel SP, Vickrey BG, Rogstad TL. US neurologists: attitudes on the US health care system. Neurology. 1996 Jul; 47(1):279-87. PMID: 8710097.
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    50. Ringel SP. Future neurology workforce: the right kind and number of neurologists. Neurology. 1996 Apr; 46(4):897-900. PMID: 8780059.
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    51. Miller RG, Smith SA, Murphy JR, Brinkmann JR, Graves J, Mendoza M, Sands ML, Ringel SP. A clinical trial of verapamil in amyotrophic lateral sclerosis. Muscle Nerve. 1996 Apr; 19(4):511-5. PMID: 8622731.
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    52. Bjornskov EK, Carry MR, Katz FH, Lefkowitz J, Ringel SP. Diabetic muscle infarction: a new perspective on pathogenesis and management. Neuromuscul Disord. 1995 Jan; 5(1):39-45. PMID: 7719140.
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    53. Smith SA, Miller RG, Murphy JR, Ringel SP. Treatment of ALS with high dose pulse cyclophosphamide. J Neurol Sci. 1994 Jul; 124 Suppl:84-7. PMID: 7807153.
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    54. Ringel SP, Rogstad TL. Neurologists--1991 to 1992. Human Resources in Neurology Subcommittee of the American Academy of Neurology. Neurology. 1993 Sep; 43(9):1666-72. PMID: 8414009.
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    55. Ringel SP, Murphy JR, Alderson MK, Bryan W, England JD, Miller RG, Petajan JH, Smith SA, Roelofs RI, Ziter F, et al. The natural history of amyotrophic lateral sclerosis. Neurology. 1993 Jul; 43(7):1316-22. PMID: 8327132.
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    56. Ringel SP. Can neurologists survive or thrive with health care reform? Ann Neurol. 1993 May; 33(5):441-4. PMID: 8498821.
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    57. Regensteiner JG, Wolfel EE, Brass EP, Carry MR, Ringel SP, Hargarten ME, Stamm ER, Hiatt WR. Chronic changes in skeletal muscle histology and function in peripheral arterial disease. Circulation. 1993 Feb; 87(2):413-21. PMID: 8425290.
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    58. Tyson RW, Ringel SP, Manchester DK, Shikes RH, Goodman SI. X-linked myotubular myopathy: a case report of prenatal and perinatal aspects. Pediatr Pathol. 1992 Jul-Aug; 12(4):535-43. PMID: 1409152.
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    59. England JD, Regensteiner JG, Ringel SP, Carry MR, Hiatt WR. Muscle denervation in peripheral arterial disease. Neurology. 1992 May; 42(5):994-9. PMID: 1579257.
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    60. Neville HE, Baumbach LL, Ringel SP, Russo LS, Sujansky E, Garcia CA. Familial inclusion body myositis: evidence for autosomal dominant inheritance. Neurology. 1992 Apr; 42(4):897-902. PMID: 1314344.
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    61. Ringel SP. Neurologists--1990. Neurology. 1991 Dec; 41(12):1863-6. PMID: 1745338.
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    62. London SF, Gross KF, Ringel SP. Cholesterol-lowering agent myopathy (CLAM). Neurology. 1991 Jul; 41(7):1159-60. PMID: 2067654.
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    63. Patter G, Ringel SP. Elevated creatine kinase levels. JAMA. 1991 Apr 17; 265(15):2004. PMID: 1848909.
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    64. Ringel SP. The transformation of neurologic practice. Neurology. 1990 Oct; 40(10):1487-8. PMID: 2215935.
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    65. Florek RC, Triffon DW, Mann DE, Ringel SP, Reiter MJ. Electrocardiographic abnormalities in patients with myotonic dystrophy. West J Med. 1990 Jul; 153(1):24-7. PMID: 2202157; PMCID: PMC1002461.
    66. Murphy JR, Ringel SP. Survival prediction in amyotrophic lateral sclerosis. Muscle Nerve. 1990 Jul; 13(7):657-8. PMID: 2388666.
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    67. Donaldson DH, Ansher M, Horan S, Rutherford RB, Ringel SP. The relationship of age to outcome in myasthenia gravis. Neurology. 1990 May; 40(5):786-90. PMID: 2330105.
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    68. Franklin GM, Ringel SP, Jones M, Baron A. A prospective study of principal care among Colorado neurologists. Neurology. 1990 Apr; 40(4):701-4. PMID: 2320247.
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    69. Ringel SP, Treihaft M, Carry M, Fisher R, Jacobs P. Suprascapular neuropathy in pitchers. Am J Sports Med. 1990 Jan-Feb; 18(1):80-6. PMID: 2154138.
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    70. Ringel SP. The future of academic neurology: a Colorado perspective. Ann Neurol. 1990 Jan; 27(1):100-2. PMID: 2301917.
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    71. Ringel SP. Specific tests for polymyositis. Muscle Nerve. 1990; 13 Suppl:S40-2. PMID: 2233884.
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    72. Jackson CG, Dickinson AL, Ringel SP. Skeletal muscle fiber area alterations in two opposing modes of resistance-exercise training in the same individual. Eur J Appl Physiol Occup Physiol. 1990; 61(1-2):37-41. PMID: 2149702.
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    73. Rosenberg NL, Rotbart HA, Abzug MJ, Ringel SP, Levin MJ. Evidence for a novel picornavirus in human dermatomyositis. Ann Neurol. 1989 Aug; 26(2):204-9. PMID: 2549850.
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    74. Seltzer WK, Angelini C, Dhariwal G, Ringel SP, McCabe ER. Muscle glycerol kinase in Duchenne dystrophy and glycerol kinase deficiency. Muscle Nerve. 1989 Apr; 12(4):307-13. PMID: 2549414.
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    75. Wilson WB, Leavengood JM, Ringel SP, Bott AD. Transient ocular motor paresis associated with acute internal carotid artery occlusion. Ann Neurol. 1989 Mar; 25(3):286-90. PMID: 2729917.
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    76. Ansher M, Smith LD, Ringel SP. Autosomal dominant scapuloperoneal syndrome with sensorineural hearing loss. Otolaryngol Head Neck Surg. 1989 Mar; 100(3):242-4. PMID: 2496387.
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    77. Sullivan LP, Stears JC, Ringel SP. Etiology of syringomyelia. Neurology. 1989 Feb; 39(2 Pt 1):308. PMID: 2915806.
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    78. Carry MR, Ringel SP. Structure and histochemistry of human extraocular muscle. Bull Soc Belge Ophtalmol. 1989; 237:303-19. PMID: 2535013.
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    79. Ringel SP, Franklin GM, DeLapp HC, Boyko EJ. A cross-sectional comparative study of outpatient neurologic practices in Colorado. Neurology. 1988 Aug; 38(8):1308-14. PMID: 3261001.
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    80. Sokol RJ, Kayden HJ, Bettis DB, Traber MG, Neville H, Ringel S, Wilson WB, Stumpf DA. Isolated vitamin E deficiency in the absence of fat malabsorption--familial and sporadic cases: characterization and investigation of causes. J Lab Clin Med. 1988 May; 111(5):548-59. PMID: 3361234.
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    81. Smith LD, Kenny CE, Ringel SP, Neville HE. Motor neuron disease in the Rocky Mountain region. West J Med. 1988 Apr; 148(4):430-2. PMID: 3388845; PMCID: PMC1026132.
    82. Sullivan LP, Stears JC, Ringel SP. Resolution of syringomyelia and Chiari I malformation by ventriculoatrial shunting in a patient with pseudotumor cerebri and a lumboperitoneal shunt. Neurosurgery. 1988 Apr; 22(4):744-7. PMID: 3374786.
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    83. Ramig LA, Scherer RC, Titze IR, Ringel SP. Acoustic analysis of voices of patients with neurologic disease: rationale and preliminary data. Ann Otol Rhinol Laryngol. 1988 Mar-Apr; 97(2 Pt 1):164-72. PMID: 2965542.
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    84. Nolte J, Eller P, Ringel SP. Shifting toward problem-based learning in a medical school neurobiology course. Res Med Educ. 1988; 27:66-71. PMID: 3218877.
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    85. Ringel SP, Kenny CE, Neville HE, Giorno R, Carry MR. Spectrum of inclusion body myositis. Arch Neurol. 1987 Nov; 44(11):1154-7. PMID: 2823752.
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    86. Traber MG, Sokol RJ, Ringel SP, Neville HE, Thellman CA, Kayden HJ. Lack of tocopherol in peripheral nerves of vitamin E-deficient patients with peripheral neuropathy. N Engl J Med. 1987 Jul 30; 317(5):262-5. PMID: 3037372.
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    87. Fennell DF, Ringel SP. Myasthenia gravis and pregnancy. Obstet Gynecol Surv. 1987 Jul; 42(7):414-21. PMID: 3614795.
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    88. Rosenberg NL, Ringel SP, Kotzin BL. Experimental autoimmune myositis in SJL/J mice. Clin Exp Immunol. 1987 Apr; 68(1):117-29. PMID: 3308207; PMCID: PMC1542699.
    89. Franklin GM, Ringel SP, Nelson LM, DeLapp C. Neurology practice patterns in Colorado. Neurology. 1987 Feb; 37(2):287-9. PMID: 3808310.
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    90. Stumpf DA, Sokol R, Bettis D, Neville H, Ringel S, Angelini C, Bell R. Friedreich's disease: V. Variant form with vitamin E deficiency and normal fat absorption. Neurology. 1987 Jan; 37(1):68-74. PMID: 3796840.
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    91. Wolfel EE, Hiatt WR, Brammell HL, Carry MR, Ringel SP, Travis V, Horwitz LD. Effects of selective and nonselective beta-adrenergic blockade on mechanisms of exercise conditioning. Circulation. 1986 Oct; 74(4):664-74. PMID: 2875812.
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    92. Ringel SP, Carry MR, Aguilera AJ, Starcevich JM. Quantitative histopathology of the inflammatory myopathies. Arch Neurol. 1986 Oct; 43(10):1004-9. PMID: 3753261.
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    93. Rosenberg NL, Ringel SP. Myopathy from surreptitious ipecac ingestion. West J Med. 1986 Sep; 145(3):386-8. PMID: 2876555; PMCID: PMC1306950.
    94. Carry MR, Ringel SP, Starcevich JM. Distribution of capillaries in normal and diseased human skeletal muscle. Muscle Nerve. 1986 Jun; 9(5):445-54. PMID: 2941685.
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    95. Carry MR, Ringel SP, Starcevich JM. Mitochondrial morphometrics of histochemically identified human extraocular muscle fibers. Anat Rec. 1986 Jan; 214(1):8-16. PMID: 2937349.
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    96. Giorno R, Ringel SP. Analysis of macrophages, activated cells and T cell subsets in inflammatory myopathies using monoclonal antibodies. Pathol Immunopathol Res. 1986; 5(6):491-9. PMID: 3112759.
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    97. Rosenberg NL, Neville HE, Ringel SP. Tubular aggregates. Their association with neuromuscular diseases, including the syndrome of myalgias/cramps. Arch Neurol. 1985 Oct; 42(10):973-6. PMID: 4038105.
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    98. Salviati G, Pierobon-Bormioli S, Betto R, Damiani E, Angelini C, Ringel SP, Salvatori S, Margreth A. Tubular aggregates: sarcoplasmic reticulum origin, calcium storage ability, and functional implications. Muscle Nerve. 1985 May; 8(4):299-306. PMID: 16758596.
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    99. Pierobon-Bormioli S, Armani M, Ringel SP, Angelini C, Vergani L, Betto R, Salviati G. Familial neuromuscular disease with tubular aggregates. Muscle Nerve. 1985 May; 8(4):291-8. PMID: 16758595.
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    100. Cooper WH, Ringel SP, Treihaft MM, Hall KA. Calf enlargement from S-1 radiculopathy. Report of two cases. J Neurosurg. 1985 Mar; 62(3):442-4. PMID: 2983050.
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    101. Giorno R, Barden MT, Kohler PF, Ringel SP. Immunohistochemical characterization of the mononuclear cells infiltrating muscle of patients with inflammatory and noninflammatory myopathies. Clin Immunol Immunopathol. 1984 Mar; 30(3):405-12. PMID: 6230185.
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    102. Thompson DS, Woodward JB, Ringel SP, Nelson LM. Evoked potential abnormalities in myotonic dystrophy. Electroencephalogr Clin Neurophysiol. 1983 Nov; 56(5):453-6. PMID: 6194962.
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    103. Neville HE, Ringel SP, Guggenheim MA, Wehling CA, Starcevich JM. Ultrastructural and histochemical abnormalities of skeletal muscle in patients with chronic vitamin E deficiency. Neurology. 1983 Apr; 33(4):483-8. PMID: 6188077.
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    104. Martin RJ, Sufit RL, Ringel SP, Hudgel DW, Hill PL. Respiratory improvement by muscle training in adult-onset acid maltase deficiency. Muscle Nerve. 1983 Mar-Apr; 6(3):201-3. PMID: 6406885.
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    105. Woodward JB, Heaton RK, Simon DB, Ringel SP. Neuropsychological findings in myotonic dystrophy. J Clin Neuropsychol. 1982 Dec; 4(4):335-42. PMID: 7174839.
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    106. Simon DB, Ringel SP, Sufit RL. Clinical spectrum of fascial inflammation. Muscle Nerve. 1982 Sep; 5(7):525-37. PMID: 6755243.
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    107. Ringel SP, Claman HN. Amyloid-associated muscle pseudohypertrophy. Arch Neurol. 1982 Jul; 39(7):413-7. PMID: 7103772.
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    108. Stern LZ, Ringel SP, Ziter FA, Menander-Huber KB, Ionasescu V, Pellegrino RJ, Snyder RD. Drug trial of superoxide dismutase in Duchenne's muscular dystrophy. Arch Neurol. 1982 Jun; 39(6):342-6. PMID: 7046702.
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    109. Heiser JC, Rutherford RB, Ringel SP. Thymectomy for myasthenia gravis: a changing perspective. Arch Surg. 1982 May; 117(5):533-7. PMID: 7073472.
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    110. McVicker JH, Lava NS, Mittag TW, Ringel SP. D-penicillamine-induced neuromuscular disease in guinea pigs. Exp Neurol. 1982 Apr; 76(1):46-57. PMID: 7084364.
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    111. Ringel SP, Forstot JZ, Tan EM, Wehling C, Griggs RC, Butcher D. Sjögren's syndrome and polymyositis or dermatomyositis. Arch Neurol. 1982 Mar; 39(3):157-63. PMID: 7039564.
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    112. Guggenheim MA, Ringel SP, Silverman A, Grabert BE. Progressive neuromuscular disease in children with chronic cholestasis and vitamin E deficiency: diagnosis and treatment with alpha tocopherol. J Pediatr. 1982 Jan; 100(1):51-8. PMID: 7057316.
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    113. Guggenheim MA, Ringel SP, Silverman A, Grabert BE, Neville HE. Progressive neuromuscular disease in children with chronic cholestasis and vitamin E deficiency: clinical and muscle biopsy findings and treatment with alpha-tocopherol. Ann N Y Acad Sci. 1982; 393:84-95. PMID: 6959572.
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    114. Craven C, Reddy PK, Ringel SP, Rutherford RB. Effect of corticosteroids on the thymus in myasthenia gravis. Muscle Nerve. 1981 Sep-Oct; 4(5):425-8. PMID: 7290107.
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    115. Carroll JE, Brooke MH, DeVivo DC, Shumate JB, Kratz R, Ringel SP, Hagberg JM. Carnitine "deficiency": lack of response to carnitine therapy. Neurology. 1980 Jun; 30(6):618-26. PMID: 7189838.
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    116. Guggenheim MA, McCabe ER, Roig M, Goodman SI, Lum GM, Bullen WW, Ringel SP. Glycerol kinase deficiency with neuromuscular, skeletal, and adrenal abnormalities. Ann Neurol. 1980 May; 7(5):441-9. PMID: 6249182.
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    117. Bergen BJ, Carry MP, Wilson WB, Barden MT, Ringel SP. Centronuclear myopathy: extraocular- and limb-muscle findings in an adult. Muscle Nerve. 1980 Mar-Apr; 3(2):165-71. PMID: 6445039.
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    118. Ringel SP, Wilson WB, Barden MT. Extraocular muscle biopsy in chronic progressive external ophthalmoplegia. Ann Neurol. 1979 Oct; 6(4):326-39. PMID: 554523.
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    119. Ringel SP, Thorne EG, Phanuphak P, Lava NS, Kohler PS. Immune complex vasculitis, polymyositis, and hyperglobulinemic purpura. Neurology. 1979 May; 29(5):682-9. PMID: 155783.
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    120. Brooke MH, Carroll JE, Ringel SP. Congenital hypotonia revisited. Muscle Nerve. 1979 Mar-Apr; 2(2):84-100. PMID: 397413.
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    121. Ringel SP, Lava NS, Treihaft MM, Lubs ML, Lubs HA. Late-onset X-linked recessive spinal and bulbar muscular atrophy. Muscle Nerve. 1978 Jul-Aug; 1(4):297-307. PMID: 571530.
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    122. Ringel SP, Wilson WB, Barden MT, Kaiser KK. Histochemistry of human extraocular muscle. Arch Ophthalmol. 1978 Jun; 96(6):1067-72. PMID: 655944.
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    123. Ringel SP, Neville HE, Duster MC, Carroll JE. A new congenital neuromuscular disease with trilaminar muscle fibers. Neurology. 1978 Mar; 28(3):282-9. PMID: 564483.
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    124. Ringel S. Muscular dystrophy. Proc Annu Meet Med Sect Am Counc Life Insur. 1978; 157-69. PMID: 755252.
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    125. Ringel SP, Engel WK, Bender AN, Peters ND, Yee RD. Histochemistry and acetylcholine receptor distribution in normal and denervated monkey extraocular muscles. Neurology. 1978 Jan; 28(1):55-63. PMID: 145550.
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    126. Trotter JL, Ringel SP, Cook JD, Engel WK, Eldefrawi ME, McFarlin DE. Morphologic and immunologic studies in experimental autoimmune myasthenia gravis and myasthenia gravis. Neurology. 1977 Dec; 27(12):1120-4. PMID: 73154.
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    127. Askanas V, Engel WK, Ringel SP, Bender AN. Acetylcholine receptors of aneurally cultured human and animal muscle. Neurology. 1977 Nov; 27(11):1019-22. PMID: 562996.
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    128. Ringel SP, Carroll JE, Schold SC. The spectrum of mild X-linked recessive muscular dystrophy. Arch Neurol. 1977 Jul; 34(7):408-16. PMID: 880066.
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    129. Ringel SP, Harrison SH, Norenberg MD, Austin JH. Fibromuscular dysplasia: multiple "spontaneous" dissecting aneurysms of the major cervical arteries. Ann Neurol. 1977 Mar; 1(3):301-4. PMID: 889320.
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    130. Ringel SP, Bender AN, Engel WK. Extrajunctional acetylcholine receptors. Alterations in human and experimental neuromuscular diseases. Arch Neurol. 1976 Nov; 33(11):751-8. PMID: 185992.
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    131. Bender AN, Ringel SP, Engel WK. The acetylcholine receptor in normal and pathologic states. Immunoperoxidase visualization of alpha-bungarotoxin binding at a light and electron-microscopic level. Neurology. 1976 May; 26(5):477-83. PMID: 177905.
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    132. Bender AN, Ringel SP, Engel WK, Vogel Z, Daniels MP. Immunoperoxidase localization of alpha bungarotoxin: a new approach to myasthenia gravis. Ann N Y Acad Sci. 1976; 274:20-30. PMID: 60894.
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    133. Gershwin ME, Glinski W, Bender AN, Ringel SP, Steinberg AD, Engel WK. Antibodies to nucleic acids in myasthenia gravis. Int Arch Allergy Appl Immunol. 1976; 51(2):245-52. PMID: 1084333.
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    134. Ringel SP, Bender AN, Engel WK, Smith HJ. Letter: Myasthenia gravis: relationship between serum factor blocking acetylcholine receptors and anti-striated-muscle antibody. Lancet. 1975 Jun 21; 1(7921):1388. PMID: 48981.
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    135. Bender AN, Ringel SP, Engel WK, Daniels MP, Vogel Z. Myasthenia gravis: a serum factor blocking acetylcholine receptors of the human neuromuscular junction. Lancet. 1975 Mar 15; 1(7907):607-9. PMID: 47950.
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    136. Klawans HL, Ringel SP. L-Dopa, B 6 , and alpha-methyldopa hydrazine. Confin Neurol. 1973; 35(3):186-92. PMID: 4712885.
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    137. Klawans HL, Rubovits R, Ringel SP, Weiner WJ. Observations on the use of methysergide in Huntington's chorea. Neurology. 1972 Sep; 22(9):929-33. PMID: 4343347.
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    138. Klawans HL, Ringel SP. Observations on the efficacy of L-dopa in progressive supranuclear palsy. Eur Neurol. 1971; 5(2):115-29. PMID: 5117103.
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