A case report of epidural labour analgesia in pregnant female with severe mitral stenosis. International Journal of Biomedical Research, [S. l.], v. 5, n. 1, p. 59–60, 2014. DOI: 10.7439/ijbr.v5i1.456. Disponível em: https://ssjournals.co.in/index.php/ijbr/article/view/933. Acesso em: 9 mar. 2026.