title: [Clinical evaluation of effect of butorphanol on respiration and its usefulness as a supplemental drug during regional anesthesia (author's transl)].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000767:Anesthesia, Epidural; D000775:Anesthesia, Spinal; D002077:Butorphanol / Q000494:pharmacology*; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009019:Morphinans / Q000494:pharmacology*; D012119:Respiration / Q000187:drug effects*
chemical_list: D009019:Morphinans; D002077:Butorphanol