Vercauteren, M Comparison of epidural sufentanil plus clonidine with sufentanil alone for postoperative pain relief. [electronic resource] - Anaesthesia Jul 1990 - 531-4 p. digital Publication Type: Clinical Trial; Comparative Study; Controlled Clinical Trial; Journal Article ISSN: 0003-2409 Standard No.: 10.1111/j.1365-2044.1990.tb14824.x doi Subjects--Topical Terms: AdultAnalgesics--therapeutic useBlood Pressure--drug effectsClonidine--administration & dosageDouble-Blind MethodDrug Therapy, CombinationFemaleFentanyl--administration & dosageHumansInjections, EpiduralMaleMiddle AgedPain, Postoperative--prevention & controlSufentanilTime Factors