Dysphoric mood in young children referred to a child development unit.
D000374:Aggression / Q000523:psychology; D002648:Child; D002675:Child, Preschool; D003863:Depression / Q000235:genetics / Q000523:psychology*; D005190:Family; D005260:Female; D006801:Humans; D007360:Intelligence; D008297:Male; D001523:Mental Disorders / Q000235:genetics; D019966:Substance-Related Disorders / Q000235:genetics