CHUKWUBUIKE, K. E.; CHIKAODILI, E. T. Assessment of the effect of size of the umbilical ring on the risk of umbilical hernia complication in children. European Journal of Clinical and Experimental Medicine, [S. l.], v. 20, n. 1, p. 75–79, 2022. DOI: 10.15584/ejcem.2022.1.11. Disponível em: https://journals.ur.edu.pl/ejcem/article/view/11936. Acesso em: 28 dec. 2025.