KHAN, P.; KHAN, J. Intermediate Term Follow up of closed Mitral Valvotomies (CMV). Journal of Postgraduate Medical Institute, [S. l.], v. 8, n. 2, 2011. Disponível em: https://www.jpmi.org.pk/index.php/jpmi/article/view/464. Acesso em: 4 feb. 2023.