BERRY, S. D.; SOOD, R.; NEGI, K.; KUMAR, N. Study of risk factors for preterm deliveries in a tertiary hospital. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 9, n. 7, p. 3032–3036, 2020. DOI: 10.18203/2320-1770.ijrcog20202752. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/8579. Acesso em: 16 oct. 2025.