Background characteristics of aggressive, hyperactive, and aggressive-hyperactive boys.
D000374:Aggression / Q000523:psychology*; D001289:Attention Deficit Disorder with Hyperactivity / Q000523:psychology*; D002648:Child; D002653:Child Behavior Disorders / Q000523:psychology*; D005190:Family; D006801:Humans; D006948:Hyperkinesis / Q000523:psychology; D008297:Male; D009035:Mothers / Q000523:psychology