Common genetic risk of major depression and nicotine dependence: the contribution of antisocial traits in a United States veteran male twin cohort.
Fu Q, Heath AC, Bucholz KK, Lyons MJ, Tsuang MT, True WR, Eisen SA. Common genetic risk of major depression and nicotine dependence: the contribution of antisocial traits in a United States veteran male twin cohort. Twin Res Hum Genet. 2007 Jun; 10(3):470-8.