Randomized Controlled Trial
Hemodynamic and blockade effects of high/low epinephrine doses during axillary brachial plexus blockade with lidocaine 1.5%: A randomized, double-blinded study.
Reg Anesth Pain Med. 2003 Sep 1; 28 (5): 401-5.
Randomized Controlled Trial
Comparison of plain and hyperbaric solutions of ropivacaine for spinal anaesthesia.
Br J Anaesth. 2005 Jan 1;94(1):107-11.
Randomized Controlled Trial
Spinal anaesthesia for pelvic surgery: low concentrations of lignocaine and bupivacaine are effective with less adverse events.
Middle East J Anaesthesiol. 2013 Feb 1;22(1):71-7.