Gul, A. M., M. Hafizullah, S. Zeb, I. Shah, N. Ali, J. Ali, M. A. Rauf, and M. Irfan. “LEFT VENTRICULAR SYSTOLIC DYSFUNCTION AS A SURROGATE FOR RHEUMATIC MYOCARDITIS IN PATIENTS WITH ISOLATED RHEUMATIC MITRAL STENOSIS”. Pakistan Heart Journal, vol. 46, no. 4, May 2014, doi:10.47144/phj.v46i4.745.