Rastogi Amit, Agarwal Anil, Singh Prabhat Kumar, Haldar Rudrashish, Kannaujia Ashish
Department of Anaesthesiology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India.
Indian J Anaesth. 2017 Jul;61(7):594-596. doi: 10.4103/ija.IJA_89_17.