Clinical tests for hypolactasia, lactose malabsorption and lactose intolerance.
D006801:Humans; D007421:Intestine, Small / Q000201:enzymology; D007787:Lactose Intolerance / Q000175:diagnosis / Q000517:prevention & control*; D007789:Lactose Tolerance Test / Q000379:methods; D008871:Microvilli / Q000201:enzymology; D001616:beta-Galactosidase / Q000378:metabolism
D001616:beta-Galactosidase