title: An apparent exception to Schwarz's dictum, "no acid--no ulcer".
mesh_terms: D000126:Achlorhydria / Q000150:complications*; D005260:Female; D005745:Gastric Acidity Determination; D005750:Gastric Juice / Q000378:metabolism; D005773:Gastroscopy; D006801:Humans; D008875:Middle Aged; D011720:Pyrazoles; D013268:Stimulation, Chemical; D013276:Stomach Ulcer / Q000150:complications* / Q000175:diagnosis / Q000378:metabolism
chemical_list: D011720:Pyrazoles