title: The "mother system" in an institution for the retarded.
mesh_terms: D000293:Adolescent; D000328:Adult; D001521:Behavior Therapy; D002648:Child; D002675:Child, Preschool; D005260:Female; D006778:Hospitals, Psychiatric; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008607:Intellectual Disability / Q000628:therapy*; D008297:Male; D008425:Maternal Behavior; D010557:Personnel Administration, Hospital; D011566:Psychiatric Aides