Mannan, M.A. et al. 2017. Effect of Mitral Valve Leaflets Excursion on Mitral Valve area after Percutaneous Trans- Venous Mitral Commissurotomy. Cardiovascular Journal. 10, 1 (Oct. 2017), 3–7. DOI:https://doi.org/10.3329/cardio.v10i1.34354.