Aspirin and ulcer.
D001241:Aspirin / Q000009:adverse effects*; D006801:Humans; D010437:Peptic Ulcer / Q000150:complications*; D013270:Stomach / Q000187:drug effects*; D014456:Ulcer
D001241:Aspirin
ACETYLSALICYLIC ACID/injurious effects; PEPTIC ULCER/complications; STOMACH/effect of drugs on