title: A second enzyme defect in acquired lactase deficiency: lack of small-intestinal phlorizin-hydrolase.
mesh_terms: D000328:Adult; D000368:Aged; D001706:Biopsy; D005696:Galactosidases / Q000378:metabolism; D005959:Glucosidases / Q000378:metabolism; D006801:Humans; D006867:Hydrolases / Q000378:metabolism*; D007421:Intestine, Small / Q000201:enzymology*; D007583:Jejunum / Q000201:enzymology; D007787:Lactose Intolerance / Q000201:enzymology*; D008875:Middle Aged; D010695:Phlorhizin
chemical_list: D010695:Phlorhizin; D006867:Hydrolases; D005696:Galactosidases; D005959:Glucosidases