Singh Georgene, Manikandan Sethuraman, Neema Praveen Kumar
Department of Anaesthesiology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram, Kerala, India.
J Anaesthesiol Clin Pharmacol. 2011 Oct;27(4):574-5. doi: 10.4103/0970-9185.86621.