RT Article T1 A genetic study of maternal and paternal ratings of problem behaviors in 3-year-old twins JF Journal of abnormal psychology VO 105 IS 3 SP 349 OP 357 A1 Van den Oord, Edwin J. C. G. A1 Verhulst, Frank C. A1 Boomsma, Dorret 1957- LA English YR 1996 UL https://krimdok.uni-tuebingen.de/Record/1639935657 K1 Anlage-Umwelt K1 Verhaltensstörungen K1 Genetische Faktoren