title: Breakdown of barriers in gastric ulcer.
mesh_terms: D001647:Bile Acids and Salts / Q000502:physiology; D004386:Duodenum / Q000503:physiopathology; D005750:Gastric Juice / Q000378:metabolism; D005755:Gastrins / Q000378:metabolism / Q000502:physiology; D005769:Gastrointestinal Motility; D006801:Humans; D006863:Hydrogen-Ion Concentration; D011312:Pressure; D011708:Pylorus / Q000503:physiopathology; D013276:Stomach Ulcer / Q000209:etiology / Q000503:physiopathology*
chemical_list: D001647:Bile Acids and Salts; D005755:Gastrins