Age trends in parental assessments of the behavior problems of their retarded children.
D000293:Adolescent; D000367:Age Factors; D000374:Aggression; D002648:Child; D002653:Child Behavior Disorders / Q000209:etiology*; D002675:Child, Preschool; D003299:Cooperative Behavior; D005260:Female; D006801:Humans; D006920:Hygiene; D008607:Intellectual Disability / Q000150:complications*; D008297:Male; D010290:Parents; D012652:Self Mutilation; D012919:Social Behavior; D013239:Stereotyped Behavior; D014705:Verbal Behavior