Subramani Sudhakar, Tewari Anurag
Department of Anesthesiology, University of Iowa Hospitals & Clinics, Iowa City, IA 52242, USA.
Deparment of Anaesthesiology, Dayanand Medical College, Ludhiana, Punjab, India.
J Anaesthesiol Clin Pharmacol. 2014 Jul;30(3):313-5. doi: 10.4103/0970-9185.137258.