ACOG committee opinion. Vitamin A supplementation during pregnancy. Number 196, January 1998 (replaces No. 157, September 1995). Committee on Obstetric Practice. American College of Obstetricians and Gynecologists.
D019587:Dietary Supplements; D005260:Female; D006801:Humans; D018673:Nutrition Policy; D011247:Pregnancy; D011295:Prenatal Care / Q000592:standards; D014481:United States; D014801:Vitamin A / Q000008:administration & dosage*
D014801:Vitamin A