title: Non-steroidal anti-inflammatory drugs and peptic ulceration.
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D000894:Anti-Inflammatory Agents, Non-Steroidal / Q000009:adverse effects*; D004381:Duodenal Ulcer / Q000139:chemically induced*; D005260:Female; D006801:Humans; D008297:Male; D013276:Stomach Ulcer / Q000139:chemically induced*
chemical_list: D000894:Anti-Inflammatory Agents, Non-Steroidal