title: Diflunisal and aspirin: a comparative study in rheumatoid arthritis.
mesh_terms: D000328:Adult; D000368:Aged; D001172:Arthritis, Rheumatoid / Q000188:drug therapy*; D001241:Aspirin / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D004061:Diflunisal / Q000627:therapeutic use*; D004311:Double-Blind Method; D006801:Humans; D008875:Middle Aged; D012459:Salicylates / Q000627:therapeutic use*
chemical_list: D012459:Salicylates; D004061:Diflunisal; D001241:Aspirin