Hadi, A., Abbas Shah, S. F., Khan, S. B., Shah, S. T., urehman, H., Gul, A. M. and Hafizullah, M. (2012) “CORRELATION OF FUNCTIONAL CLASS OF DYSPNEA WITH LEFT VENTRICULAR DIASTOLIC DYSFUNCTION”, Pakistan Heart Journal, 45(1). doi: 10.47144/phj.v45i1.133.