Fogarty, D J Comparison of the analgesic effects of intrathecal clonidine and intrathecal morphine after spinal anaesthesia in patients undergoing total hip replacement. [electronic resource] - British journal of anaesthesia Nov 1993 - 661-4 p. digital Publication Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 0007-0912 Standard No.: 10.1093/bja/71.5.661 doi Subjects--Topical Terms: AdultAgedAged, 80 and overAnesthesia, SpinalBupivacaineClonidine--administration & dosageFemaleHip ProsthesisHumansInjections, SpinalMaleMiddle AgedMorphine--administration & dosagePain MeasurementPain, Postoperative--drug therapy