Jain Amit, Makkar Jeetinder K, Sahni Neeru, Solanki Sohan Lal
Department of Anaesthesia and Intensive Care, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
J Anaesthesiol Clin Pharmacol. 2012 Apr;28(2):267-8. doi: 10.4103/0970-9185.94921.