title: Pain in peptic ulcer.
mesh_terms: D004724:Endoscopy; D005260:Female; D006801:Humans; D006851:Hydrochloric Acid / Q000494:pharmacology; D008297:Male; D010146:Pain / Q000139:chemically induced / Q000209:etiology*; D010437:Peptic Ulcer
chemical_list: D006851:Hydrochloric Acid