Shaw, G M High maternal vitamin A intake and risk of anomalies of structures with a cranial neural crest cell contribution. [electronic resource] - Lancet (London, England) Mar 1996 - 899-900 p. digital Publication Type: Comment; Letter ISSN: 0140-6736 Standard No.: 10.1016/s0140-6736(96)91377-x doi Subjects--Topical Terms: Abnormalities, Drug-Induced--epidemiologyCleft Lip--chemically inducedCleft Palate--chemically inducedFacial Bones--abnormalitiesFemaleHumansInfant, NewbornNeural Crest--abnormalitiesPregnancyRisk FactorsSkull--abnormalitiesVitamin A--administration & dosage