THANGAPPAH, R. B. P.; KARNAL, C. S.; RAVICHANDRAN, M. R.; SOWPARNIKA, A. S.; SUNDARAVADIVELU, P. Clinical significance of umbilical cord abnormalities: an observational study. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 11, n. 6, p. 1727–1733, 2022. DOI: 10.18203/2320-1770.ijrcog20221448. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/11705. Acesso em: 29 oct. 2025.