title: Clinical trial comparing pentazocine with pethidine and morphine in severe ischaemic limb pain.
mesh_terms: D000328:Adult; D000368:Aged; D002986:Clinical Trials as Topic; D005260:Female; D006801:Humans; D007511:Ischemia / Q000188:drug therapy; D008297:Male; D008614:Meperidine / Q000627:therapeutic use*; D008875:Middle Aged; D009020:Morphine / Q000627:therapeutic use*; D009135:Muscular Diseases / Q000188:drug therapy*; D010146:Pain / Q000188:drug therapy; D010423:Pentazocine / Q000627:therapeutic use*
chemical_list: D009020:Morphine; D008614:Meperidine; D010423:Pentazocine