title: A comparison of the effects of adoption, restoration to the natural mother, and continued institutionalization on the cognitive development of four-year-old children.
mesh_terms: D000300:Adoption; D000375:Aging; D002657:Child Development; D002674:Child, Institutionalized; D002675:Child, Preschool; D003071:Cognition; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007361:Intelligence Tests; D007804:Language Development; D008131:London; D008297:Male; D010290:Parents; D011610:Psychosocial Deprivation; D012919:Social Behavior; D012923:Social Class