Value of prolonged breastfeeding.
D000367:Age Factors; D001942:Breast Feeding; D003968:Diarrhea, Infantile / Q000517:prevention & control*; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D009748:Nutrition Disorders / Q000209:etiology*