Z. Uddin, Z. Shaikh, . N. Ahmed Shaikh, S. Shaikh, G. Chand, and K. Abbas, “FREQUENCY OF ACUTE MITRAL REGURGITATION IN POST PERCUTANEOUS TRANSVENOUS MITRAL COMMISSUROTOMY PATIENTS WITH SEVERE MITRAL STENOSIS”, Pak Heart J, vol. 54, no. 4, pp. 328–332, Jan. 2022.