Article
Inhibition of Voltage-Gated Na+ Channels by Bupivacaine Is Enhanced by the Adjuvants Buprenorphine, Ketamine, and Clonidine.
Reg Anesth Pain Med. 2017 Jul 1; 42 (4): 462-468.
Randomized Controlled Trial
Buprenorphine, Clonidine, Dexamethasone, and Ropivacaine for Interscalene Nerve Blockade: A Prospective, Randomized, Blinded, Ropivacaine Dose-Response Study.
Pain Med. 2016 May 1; 17 (5): 940-60.
Randomized Controlled Trial
Comparative study between tramadol and dexamethasone as an admixture to bupivacaine in supraclavicular brachial plexus block.
JNMA J Nepal Med Assoc. 2007 Oct 1; 46 (168): 158-64.