Postoperative analgesia after major abdominal surgery: Fentanyl–bupivacaine patient controlled epidural analgesia versus fentanyl patient controlled intravenous analgesia

Perineural versus intravenous clonidine as an adjuvant to Bupivacaine in supraclavicular Brachial plexus block

Clonidine versus fentanyl as adjuvants to bupivacaine in peribulbar anesthesia

Intrathecal bupivacaine versus bupivacaine and clonidine in pediatrics: a double-blind controlled study

Intravenous versus Epidural Dexmedetomidine for Analgesia in Normal Vaginal Delivery: A Randomized Controlled Study

Safety and efficacy of patient controlled epidural analgesia versus conventional epidural analgesia in lower limb orthopedic surgeries: a prospective randomized study

Is the combination of epidural clonidine–levobupivacaine has same analgesic efficacy and safety as the combination fentanyl–levobupivacaine after radical cystectomy?

A prospective, randomized controlled, double-blinded study comparing dexmedetomidine and clonidine as an adjuvant to ropivacaine in femoral nerve block for postoperative analgesi

Postoperative Analgesic Effect of Using Bupivacaine Versus Bupivacaine with Dexmedetomidine or Ketamine in Cesarean Section Operations

Bupivacaine constant continuous surgical wound infusion versus continuous epidural infusion for post cesarean section pain, randomized placebo-controlled study