MAI, H. T.; LE, H. L.; PHAM, Q. T. M.; TA, D. D. Risk factors and pregnancy outcomes of preterm birth at a tertiary hospital in Vietnam. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 15, n. 5, p. 1528–1533, 2026. DOI: 10.18203/2320-1770.ijrcog20261250. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/16795. Acesso em: 29 apr. 2026.