title: The relationship between pylorix reflux and gastric ulcer.
mesh_terms: D004378:Duodenal Diseases / Q000150:complications*; D004381:Duodenal Ulcer / Q000503:physiopathology; D005750:Gastric Juice / Q000032:analysis / Q000378:metabolism; D006801:Humans; D006863:Hydrogen-Ion Concentration; D011708:Pylorus; D012964:Sodium / Q000032:analysis; D013276:Stomach Ulcer / Q000209:etiology* / Q000503:physiopathology
chemical_list: D012964:Sodium