Ali, N., M. Shahid, K. A. Hashmi, and S. Abid. “EFFECTIVENESS OF PERCUTANEOUS TRANSVENOUS MITRAL COMMISSUROTOMY (PTMC) IN REDUCING PULMONARY HYPERTENSION IN PATIENTS WITH SEVERE MITRAL STENOSIS”. Pakistan Heart Journal, vol. 53, no. 4, Jan. 2021, doi:10.47144/phj.v53i4.1818.