title: Comparison of lumbar epidural tramadol and lumbar epidural morphine for pain relief after thoracotomy: a repeated-dose study.
authors.forename: Baljit
authors.initials: B
authors.lastname: Singh
authors.forename: Deepak K
authors.initials: DK
authors.lastname: Tempe
authors.forename: Vishnu
authors.initials: V
authors.lastname: Datt
authors.forename: Shashank
authors.initials: S
authors.lastname: Shekhar
mesh_terms: D000701:Analgesics, Opioid / Q000008:administration & dosage* / Q000627:therapeutic use; D000767:Anesthesia, Epidural / Q000379:methods*; D004305:Dose-Response Relationship, Drug; D005500:Follow-Up Studies; D006801:Humans; D007268:Injections, Epidural; D008159:Lumbar Vertebrae; D009020:Morphine / Q000008:administration & dosage* / Q000627:therapeutic use; D010149:Postoperative Pain / Q000188:drug therapy*; D011182:Postoperative Care / Q000379:methods*; D013908:Thoracotomy; D014147:Tramadol / Q000008:administration & dosage* / Q000627:therapeutic use
chemical_list: D000701:Analgesics, Opioid; D014147:Tramadol; D009020:Morphine