Yadav, V., P. Jain, A. Singhai, and R. K. Jha. “Mean Platelet Volume As an Indicator of Severity of Hypertensive Retinopathy in Hypertensive Subjects”. International Journal of Research in Medical Sciences, vol. 5, no. 4, Mar. 2017, pp. 1471-3, doi:10.18203/2320-6012.ijrms20171248.