title: A STUDY OF THREE STEREOTYPED BEHAVIORS IN INSTITUTIONALIZED MENTAL DEFECTIVES.
mesh_terms: D000293:Adolescent; D000375:Aging; D001519:Behavior; D002648:Child; D006801:Humans; D008607:Intellectual Disability; D010507:Periodicity; D012106:Research; D012723:Sex; D013239:Stereotyped Behavior
keywords: ADOLESCENCE; AGING; BEHAVIOR; CHILD; MENTAL RETARDATION; PERIODICITY; SEX