Butorphanol anesthesia.
D000777:Anesthetics / Q000494:pharmacology*; D000818:Animals; D002077:Butorphanol / Q000494:pharmacology*; D004285:Dogs; D006439:Hemodynamics / Q000187:drug effects*; D006801:Humans; D009019:Morphinans / Q000494:pharmacology*
D000777:Anesthetics; D009019:Morphinans; D002077:Butorphanol