CHOKKAIYAN, S.; ARUMUGAM, S. C.; KUMAR, S.; JOHN, L. B.; GHOSE, S. Periodontitis as a risk factor for preterm labour and low birth weight among pregnant women attending a tertiary care teaching hospital. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 4, n. 6, p. 1804–1810, 2017. DOI: 10.18203/2320-1770.ijrcog20151264. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/2310. Acesso em: 13 oct. 2025.