title: Double-blind comparison of parenteral meptazinol and morphine in postoperative pain.
mesh_terms: D001381:Azepines / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D004305:Dose-Response Relationship, Drug; D004311:Double-Blind Method; D005260:Female; D006801:Humans; D008297:Male; D008621:Meptazinol / Q000009:adverse effects / Q000627:therapeutic use*; D009020:Morphine / Q000009:adverse effects / Q000627:therapeutic use*; D010149:Postoperative Pain / Q000188:drug therapy*; D011897:Random Allocation
chemical_list: D001381:Azepines; D008621:Meptazinol; D009020:Morphine