Standl, T G Subarachnoid sufentanil for early postoperative pain management in orthopedic patients: a placebo-controlled, double-blind study using spinal microcatheters. [electronic resource] - Anesthesiology Feb 2001 - 230-8 p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 0003-3022 Standard No.: 10.1097/00000542-200102000-00011 doi Subjects--Topical Terms: AdultAgedAnalgesics, Opioid--therapeutic useAnesthesia, SpinalDouble-Blind MethodFemaleHumansMaleMiddle AgedPain, Postoperative--drug therapySubarachnoid SpaceSufentanil--therapeutic use