Aetiology of mental retardation in Nigerian children around Enugu.
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008607:Intellectual Disability / Q000151:congenital / Q000209:etiology*; D009549:Nigeria; D012306:Risk