Breastfeeding twins: maternal-infant nutrition.
D001942:Breast Feeding; D004032:Diet; D002149:Energy Intake; D005247:Feeding Behavior; D005260:Female; D006801:Humans; D007223:Infant; D007224:Infant Care; D007227:Infant Nutritional Physiological Phenomena; D007231:Infant, Newborn; D007774:Lactation; D008895:Milk, Human; D011247:Pregnancy; D014427:Twins