Bharati Sachidanand Jee, Chowdhury Tumul, Goyal Keshav, Anandani Jaikishan
Department of Neuroanesthesiology, Neurosciences Center, All India Institute of Medical Sciences, New Delhi, India.
Indian J Anaesth. 2011 Nov;55(6):637-8. doi: 10.4103/0019-5049.90639.