Singh Ratender K, Ghatak Tanmoy, Baronia Arvind K, Garg Piyush
Department of Critical Care Medicine, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India.
J Neurosci Rural Pract. 2013 Jul;4(3):366-7. doi: 10.4103/0976-3147.118761.