Case report of newborn with umbilical cord hernia and umbilical hernia . Research, Society and Development, [S. l.], v. 12, n. 14, p. e54121444387, 2023. DOI: 10.33448/rsd-v12i14.44387. Disponível em: https://rsdjournal.org/rsd/article/view/44387. Acesso em: 5 dec. 2025.