Human milk feeding and vitamin D supplementation--1981.
D001942:Breast Feeding; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008895:Milk, Human / Q000032:analysis; D012279:Rickets / Q000517:prevention & control; D014807:Vitamin D / Q000008:administration & dosage* / Q000378:metabolism / Q000627:therapeutic use
D014807:Vitamin D