title: A controlled clinical comparison of the analgesic efficacy of ethoheptazine, propoxyphene and placebo.
mesh_terms: D000328:Adult; D000368:Aged; D000700:Analgesics / Q000627:therapeutic use*; D000704:Analysis of Variance; D001381:Azepines / Q000009:adverse effects / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D011431:Dextropropoxyphene / Q000009:adverse effects / Q000627:therapeutic use*; D006801:Humans; D008875:Middle Aged; D010146:Pain / Q000188:drug therapy*; D010919:Placebos; D013997:Time Factors
chemical_list: D000700:Analgesics; D001381:Azepines; D010919:Placebos; D011431:Dextropropoxyphene