title: [Localization of gastric ulcer and serum levels of group I and II pepsinogens].
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010435:Pepsinogens / Q000097:blood*; D011706:Pyloric Antrum / Q000473:pathology; D013276:Stomach Ulcer / Q000201:enzymology / Q000473:pathology*
chemical_list: D010435:Pepsinogens