Singh Prabhat, Paliwal Vimal Kumar, Neyaz Zafar, Kanaujia Vikas
Department of Neurology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India.
Pract Neurol. 2013 Jun;13(3):204-5. doi: 10.1136/practneurol-2012-000500. Epub 2013 Mar 13.