Mothers' beliefs as to causation and prevention of birth defects in Ile-Ife, Nigeria.
D000328:Adult; D000013:Congenital Abnormalities / Q000209:etiology / Q000517:prevention & control; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D009549:Nigeria; D011247:Pregnancy; D013483:Superstitions