A pilot trial of sustained-release aspirin ("Bi-Prin").
D000368:Aged; D001172:Arthritis, Rheumatoid / Q000188:drug therapy*; D001241:Aspirin / Q000009:adverse effects / Q000097:blood / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D003692:Delayed-Action Preparations / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged
D003692:Delayed-Action Preparations; D001241:Aspirin