GANGWAR, V.; JINDAL, M. J.; JEENA, S. To Evaluate the Impact of Maternal Age on the Occurrence of Preterm Birth: An Institutional Based Study. International Journal of Health and Clinical Research, [S. l.], v. 4, n. 3, p. 113–115, 2021. Disponível em: https://www.ijhcr.com/index.php/ijhcr/article/view/890. Acesso em: 25 feb. 2026.