Mia, M. B., M. R. Karim, N. Hossain, M. J. Haque, T. A. Chowdhury, and S. Hoque. “Mitral Annular Calcification: A Marker of Severe Coronary Artery Disease in Patients under 60 Years Old”. Medico Research Chronicles, Vol. 9, no. 6, Nov. 2022, pp. 496-04, doi:10.26838/MEDRECH.2022.9.6.644.