title: A double-blind comparative study of the analgesic effects of fenbufen, codeine, aspirin, propoxyphene and placebo.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000894:Anti-Inflammatory Agents, Non-Steroidal / Q000627:therapeutic use*; D001241:Aspirin / Q000627:therapeutic use*; D001713:Biphenyl Compounds / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D003061:Codeine / Q000627:therapeutic use*; D011431:Dextropropoxyphene / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010149:Postoperative Pain / Q000188:drug therapy; D011422:Propionates / Q000627:therapeutic use*
chemical_list: D000894:Anti-Inflammatory Agents, Non-Steroidal; D001713:Biphenyl Compounds; D011422:Propionates; D001241:Aspirin; D011431:Dextropropoxyphene; D003061:Codeine