Survey of mentally retarded persons.
D000293:Adolescent; D000328:Adult; D001294:Attitude to Health; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007194:India; D007223:Infant; D007231:Infant, Newborn; D008607:Intellectual Disability / Q000453:epidemiology* / Q000209:etiology / Q000523:psychology; D008297:Male; D010287:Parent-Child Relations