title: Non-steroidal anti-inflammatory drugs and pain free peptic ulceration in the elderly.
mesh_terms: D000368:Aged; D000894:Anti-Inflammatory Agents, Non-Steroidal / Q000009:adverse effects*; D004724:Endoscopy; D005260:Female; D006801:Humans; D008297:Male; D010146:Pain; D010437:Peptic Ulcer / Q000139:chemically induced* / Q000175:diagnosis; D011446:Prospective Studies
chemical_list: D000894:Anti-Inflammatory Agents, Non-Steroidal