RT Article T1 Sources of convariation among attention deficit/hyperactivity disorder, oppositional defiant disorder, and conduct disorder: the importance of shared environment JF Journal of abnormal psychology VO 110 IS 4 SP 516 OP 525 A1 Burt, S. Alexandra LA English YR 2001 UL https://krimdok.uni-tuebingen.de/Record/1639563962 K1 Anlage-Umwelt K1 Verhaltensstörung K1 Aufmerksamkeitsstörung K1 Hyperaktivitätsstörung K1 Zwillingsstudie