Lavanya, Y., B. S. Singh, S. Srikanth, and K. V. R. Choudary. “Evaluation of Diastolic Function in Hypertensive Using Echocardiography”. International Journal of Research in Medical Sciences, vol. 3, no. 9, Jan. 2017, pp. 2274-9, doi:10.18203/2320-6012.ijrms20150616.