[Aspirin used chronic rheumatoid arthritis patients and chronic gastrointestinal bleeding].
D001172:Arthritis, Rheumatoid; D001241:Aspirin; D006471:Gastrointestinal Hemorrhage; D006470:Hemorrhage; D006801:Humans
D001241:Aspirin
ACETYLSALICYLIC ACID; ARTHRITIS, RHEUMATOID; HEMORRHAGE, GASTROINTESTINAL