Aspirin preperations and their noxious effect on the gastro-intestinal tract.
D001241:Aspirin / Q000031:analogs & derivatives; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006470:Hemorrhage; D006801:Humans
D001241:Aspirin
ACETYLSALICYLIC ACID/related compounds; HEMORRHAGE, GASTROINTESTINAL/etiology