title: MENTAL RETARDATION.
mesh_terms: D000293:Adolescent; D002648:Child; D003409:Congenital Hypothyroidism; D004314:Down Syndrome; D004813:Epidemiology; D004899:Erythroblastosis, Fetal; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008607:Intellectual Disability; D008511:Medicine; D010661:Phenylketonurias; D011315:Preventive Medicine; D012046:Rehabilitation; D012106:Research
keywords: ADOLESCENCE; CHILD; CRETINISM; EPIDEMIOLOGY; ERYTHROBLASTOSIS, FETAL; INFANT; INFANT, NEWBORN; MENTAL RETARDATION; MONGOLISM; PHENYLKETONURIA; PREVENTIVE MEDICINE; REHABILITATION; RESEARCH