title: The results of a study of the pathogenesis of duodenal ulcer.
mesh_terms: D000328:Adult; D001639:Bicarbonates / Q000096:biosynthesis; D004063:Digestion; D004381:Duodenal Ulcer / Q000201:enzymology / Q000209:etiology* / Q000378:metabolism; D005750:Gastric Juice / Q000378:metabolism; D005769:Gastrointestinal Motility; D006801:Humans; D006863:Hydrogen-Ion Concentration; D006868:Hydrolysis; D008297:Male; D008875:Middle Aged; D010179:Pancreas / Q000378:metabolism; D010434:Pepsin A / Q000378:metabolism; D014357:Trypsin / Q000378:metabolism
chemical_list: D001639:Bicarbonates; D014357:Trypsin; D010434:Pepsin A