Iwo-Amah R. S. et al. Umbilical Endometriosis, a Rare Clinical Entity: Case Report and Management in Port-Harcourt, Nigeria, Africa. Medicine and Medical Research: New Perspectives Vol. 3, [S. l.], p. 22–29, 2024. DOI: 10.9734/bpi/mmrnp/v3/1278. Disponível em: https://stm.bookpi.org/MMRNP-V3/article/view/15506. Acesso em: 4 jun. 2026.