Uddin, M. J., Rahman, F., Salman, M., Hussain, K. S., Rahman, M. S., Hossain, M. A., Anam, K., Rahman, M. M., & Ahmed, M. K. (2009). Percutaneous mitral balloon valvuloplasty in patients with previous surgical mitral commissurotomy. University Heart Journal, 5(1), 9–12. https://doi.org/10.3329/uhj.v5i1.3433