title: The question of bile regurgitation as a cause of gastric ulcer.
mesh_terms: D000818:Animals; D001646:Bile; D004285:Dogs; D004386:Duodenum / Q000601:surgery; D005750:Gastric Juice; D005756:Gastritis / Q000150:complications; D007082:Ileum / Q000601:surgery; D007413:Intestinal Mucosa / Q000187:drug effects; D007583:Jejunum / Q000601:surgery; D010189:Pancreatic Juice; D010434:Pepsin A; D013270:Stomach / Q000601:surgery; D013276:Stomach Ulcer / Q000139:chemically induced / Q000209:etiology*
chemical_list: D010434:Pepsin A