title: NSAIDs--the two-edged sword.
authors.forename: E
authors.initials: E
authors.lastname: Melzer
authors.forename: S
authors.initials: S
authors.lastname: Bar-Meir
mesh_terms: D000367:Age Factors; D000368:Aged; D000894:Anti-Inflammatory Agents, Non-Steroidal / Q000009:adverse effects* / Q000627:therapeutic use; D006471:Gastrointestinal Hemorrhage / Q000139:chemically induced* / Q000517:prevention & control; D006801:Humans; D010438:Peptic Ulcer Hemorrhage / Q000139:chemically induced / Q000517:prevention & control; D011453:Prostaglandins / Q000627:therapeutic use
chemical_list: D000894:Anti-Inflammatory Agents, Non-Steroidal; D011453:Prostaglandins