Letter: Lactose malabsorption.
D000818:Animals; D002648:Child; D002664:Child Nutritional Physiological Phenomena; D003967:Diarrhea / Q000209:etiology; D006801:Humans; D007563:Jamaica; D007787:Lactose Intolerance / Q000209:etiology / Q000517:prevention & control; D008892:Milk; D010679:Philippines