[Gastrointestinal hemorrhage during naproxen treatment].
D000368:Aged; D006471:Gastrointestinal Hemorrhage / Q000139:chemically induced*; D006801:Humans; D008297:Male; D009288:Naproxen / Q000009:adverse effects*
D009288:Naproxen
Gastrointestinalblødning under naproxenbehandling.