SOUNDARAJAN, P.; MUTHURAMU, P.; VEERAPANDI, M.; MARIAPPAN, R. Retrospective study factors related to preterm birth in Government Raja Mirasudar hospital and obstetric and perinatal outcome. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 5, n. 9, p. 3006–3010, 2017. DOI: 10.18203/2320-1770.ijrcog20162974. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/1579. Acesso em: 4 oct. 2025.