Comparison of aspirin and dextropropoxyphene-with-aspirin as analgesics in rheumatoid arthritis.
D000698:Analgesia; D001172:Arthritis, Rheumatoid / Q000188:drug therapy*; D001241:Aspirin / Q000008:administration & dosage*; D002986:Clinical Trials as Topic; D011431:Dextropropoxyphene / Q000008:administration & dosage* / Q000494:pharmacology; D006801:Humans
D001241:Aspirin; D011431:Dextropropoxyphene