title: Butorphanol tartrate: 1. Safety and efficacy in multidose control of postoperative pain.
mesh_terms: D000005:Abdomen / Q000601:surgery; D000328:Adult; D000368:Aged; D000768:Anesthesia, General; D004305:Dose-Response Relationship, Drug; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010149:Postoperative Pain / Q000188:drug therapy*; D011229:Preanesthetic Medication; D013644:Tartrates / Q000008:administration & dosage* / Q000009:adverse effects
chemical_list: D013644:Tartrates