DR.M.KRISHNAIAH, and DR.C.MRUDULA. “MORPHOMETRIC STUDY OF MITRAL VALVE ORIFICE AN ECHO CARDIOGRAPHIC STUDY”. International Journal of Pharma and Bio Sciences 2, no. 1 (March 31, 2011): 181–187. Accessed September 4, 2026. https://ijpbs.net/index.php/journal/article/view/671.