title: Butorphanol: a review of its pharmacological properties and therapeutic efficacy.
mesh_terms: D000818:Animals; D002077:Butorphanol / Q000009:adverse effects / Q000378:metabolism / Q000494:pharmacology* / Q000627:therapeutic use; D006801:Humans; D007700:Kinetics; D009019:Morphinans / Q000494:pharmacology*
chemical_list: D009019:Morphinans; D002077:Butorphanol