The effect of the severely mentally retarded child on his family.
D000293:Adolescent; D002648:Child; D002674:Child, Institutionalized; D002675:Child, Preschool; D005006:Ethnicity; D005260:Female; D006801:Humans; D008607:Intellectual Disability; D008297:Male; D008393:Marriage; D011581:Psychological Tests; D012111:Residence Characteristics; D012737:Sex Factors; D012801:Sibling Relations; D012959:Socioeconomic Factors