Prediction of preterm birth using a scoring system in women receiving cervical cercalge. International Journal of Biomedical Research, [S. l.], v. 4, n. 2, p. 84–87, 2013. DOI: 10.7439/ijbr.v4i2.812. Disponível em: https://ssjournals.co.in/index.php/ijbr/article/view/802. Acesso em: 9 mar. 2026.