title: Effect of ulcer surgery on disaccharidase activities of the small bowel and on lactose absorption.
mesh_terms: D000328:Adult; D001706:Biopsy; D005260:Female; D005500:Follow-Up Studies; D006026:Glycoside Hydrolases / Q000378:metabolism*; D006801:Humans; D007421:Intestine, Small / Q000201:enzymology*; D007787:Lactose Intolerance / Q000209:etiology*; D008297:Male; D008875:Middle Aged; D010437:Peptic Ulcer / Q000601:surgery*; D013393:Sucrase / Q000378:metabolism
chemical_list: D006026:Glycoside Hydrolases; D013393:Sucrase