VERMA, P.; GUPTA, M.; VERMA, S. Correlation of placental thickness with gestational age in antenatal women. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 8, n. 8, p. 3061–3066, 2019. DOI: 10.18203/2320-1770.ijrcog20193512. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/6754. Acesso em: 4 dec. 2025.