Prenatal origins of mental retardation: epidemiological approach.
D002648:Child; D002675:Child, Preschool; D003241:Consanguinity; D005260:Female; D005333:Fetus / Q000528:radiation effects; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008607:Intellectual Disability / Q000209:etiology*; D008630:Mercury Poisoning / Q000150:complications; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious; D011446:Prospective Studies; D011832:Radiation Injuries; D012189:Retrospective Studies; D012409:Rubella / Q000150:complications