The addition of clonidine 2 microg.kg-1 does not enhance the postoperative analgesia of a caudal block using 0.125% bupivacaine and epinephrine 1:200,000 in children: a prospective, double-blind, randomized study.
Paediatr Anaesth. 2005 Jun;15(6):476-83. doi: 10.1111/j.1460-9592.2005.01481.x.
Paediatr Anaesth. 2005.
PMID: 15910348
Clinical Trial.