[Nutritional study of breast feeding on demand in infants, especially in neonates].
D001835:Body Weight; D001942:Breast Feeding; D006801:Humans; D007223:Infant; D007227:Infant Nutritional Physiological Phenomena; D007231:Infant, Newborn; D009584:Nitrogen / Q000378:metabolism / Q000652:urine
D009584:Nitrogen