Eswaradass Prasanna Venkatesan, Ramasamy Balakrishnan, Kalidoss Ramadoss, Gnanashanmugham Gnanagurusamy
Department of Neurology, PSG Institute of Medical Sciences and Research, Coimbatore, Tamil Nadu, India.
J Neurosci Rural Pract. 2015 Oct-Dec;6(4):622-3. doi: 10.4103/0976-3147.165391.