Makkar Jeetinder Kaur, Jain Kajal, Jain Amit
Department of Anesthesia and Intensive Care, Post Graduate Institute of Medical Education and Research, Chandigarh, India.
J Anaesthesiol Clin Pharmacol. 2015 Apr-Jun;31(2):260-1. doi: 10.4103/0970-9185.155164.