title: Effects of midazolam and/or butorphanol.
mesh_terms: D002077:Butorphanol / Q000494:pharmacology*; D004338:Drug Combinations; D004357:Drug Synergism; D006801:Humans; D008874:Midazolam / Q000494:pharmacology*
chemical_list: D004338:Drug Combinations; D002077:Butorphanol; D008874:Midazolam