DR.M.KRISHNAIAH; DR.C.MRUDULA. MORPHOMETRIC STUDY OF MITRAL VALVE ORIFICE AN ECHO CARDIOGRAPHIC STUDY. International Journal of Pharma and Bio Sciences, [S. l.], v. 2, n. 1, p. 181–187, 2011. Disponível em: https://ijpbs.net/index.php/journal/article/view/671. Acesso em: 4 sep. 2026.