title: Bleeding peptic ulcer.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D000863:Antacids / Q000627:therapeutic use; D006801:Humans; D006993:Hypnotics and Sedatives / Q000627:therapeutic use; D008875:Middle Aged; D009518:New York; D010438:Peptic Ulcer Hemorrhage / Q000188:drug therapy / Q000401:mortality* / Q000601:surgery
chemical_list: D000863:Antacids; D006993:Hypnotics and Sedatives