Case-control and within-family tests for association between 5HTTLPR and conduct problems in a longitudinal adolescent sample.
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.