Ramakrishnan Sri, Kannan Balakrishnan, Kannan Aarathy, Venkatesan E Prasanna
Department of Neurology, Tuticorin Medical College, Thoothukudi, Tamil Nadu, India.
Department of Medicine, Sundaram Arulrhaj Hospitals, Tuticorin, Tamil Nadu, India.
J Ophthalmic Vis Res. 2017 Jan-Mar;12(1):126-127. doi: 10.4103/2008-322X.200165.