Independent dimensions of hyperactivity and aggression: a validation with playroom observation data.
D000374:Aggression / Q000523:psychology*; D001289:Attention Deficit Disorder with Hyperactivity / Q000523:psychology*; D002648:Child; D002653:Child Behavior Disorders / Q000523:psychology; D006801:Humans; D008297:Male; D010988:Play and Playthings