Khan, Adnan, ihtesham shafiq, Muneeb Jan, and Zair Hassan. 2020. “Echocardiographic Assessment before and After Percutaneous Transvenous Mitral Commissurotomy in Patients With Rheumatic Mitral Stenosis”. Pakistan Journal of Medical Sciences 37 (1). https://doi.org/10.12669/pjms.37.1.2446.