Lactose intolerance.
D000328:Adult; D000818:Animals; D002648:Child; D004032:Diet; D006031:Glycosylation; D006801:Humans; D007413:Intestinal Mucosa / Q000201:enzymology; D007787:Lactose Intolerance / Q000201:enzymology / Q000628:therapy; D001616:beta-Galactosidase / Q000172:deficiency / Q000235:genetics / Q000627:therapeutic use
D001616:beta-Galactosidase