Correlation Between B Group Streptococcus Infection in Vagina and Maternal Serum Procalcitonin Level with Preterm Delivery. European Journal of Medical and Health Sciences, [S. l.], v. 4, n. 3, p. 165–169, 2022. DOI: 10.24018/ejmed.2022.4.3.1369. Disponível em: https://ej-med.org/index.php/ejmed/article/view/1369. Acesso em: 10 oct. 2025.