On beta-galactosidase activity.
D000818:Animals; D005696:Galactosidases / Q000378:metabolism*; D006801:Humans; D007413:Intestinal Mucosa / Q000201:enzymology; D007421:Intestine, Small / Q000201:enzymology*; D008247:Lysosomes / Q000201:enzymology
D005696:Galactosidases