Zeb, S., Ashraf, T., Achakzai, A.S., Hassan Rizvi, S.N., Saghir, T. and Khan, N.U. 2018. REGRESSION OF ECG CHANGES AFTER SUCCESSFUL PERCUTANEOUS TRANSMITRAL COMMISSUROTOMY IN PATIENTS WITH SEVERE ISOLATED MITRAL STENOSIS. Pakistan Heart Journal. 51, 1 (Jun. 2018). DOI:https://doi.org/10.47144/phj.v51i1.1409.