Gupta Babita, Agrawal Pramendra, D'souza Nita, Soni Kapil Dev, Kumar Ajit
Department of Anaesthesia, Jai Prakash Narayan Apex Trauma Centre, All India Institute of Medical Sciences, New Delhi, India.
J Neurosci Rural Pract. 2011 Jan;2(1):114-6. doi: 10.4103/0976-3147.80083.