title: "Black spot" - an exercise in the prevention of mental retardation.
mesh_terms: D001724:Birth Weight; D002657:Child Development; D005260:Female; D005500:Follow-Up Studies; D005865:Gestational Age; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D008607:Intellectual Disability / Q000517:prevention & control*; D008131:London; D011247:Pregnancy; D011295:Prenatal Care; D012189:Retrospective Studies