Lactose intolerance.
D000328:Adult; D000818:Animals; D002417:Cattle; D004063:Digestion; D004187:Disaccharides / Q000378:metabolism; D006801:Humans; D007787:Lactose Intolerance / Q000453:epidemiology / Q000503:physiopathology* / Q000628:therapy; D009747:Nutritional Physiological Phenomena; D001616:beta-Galactosidase
D004187:Disaccharides; D001616:beta-Galactosidase