00298nam a2200109Ia 4500008004100000245006900041260003500110260000900145300001000154500000800164650001600172170224s9999    xx            000 0 und d  aSex differences in the etiology of psychopathic traits in youth.  bJournal of Abnormal Psychology  c2014  a123:2  aMay  xPsychology.