Jan, Hikmat Ullah, Mahmood ul Hassan, and Muhammad Hafizullah. “Long Term Echocardiographic Follow up of Percutaneous Transvenous Mitral Commissurotomy (PTMC)”. Journal of Postgraduate Medical Institute 18, no. 3 (October 5, 2011). Accessed November 25, 2024. https://jpmi.org.pk/index.php/jpmi/article/view/927.