ER, Sadettin; AKIN, Merve; BERKEM, Huseyin; AKIN, Tezcan. Umbilical endometriosis: A case report . Annals of Medical Research, [S. l.], v. 24, n. 4, p. 0521–0522, 2021. Disponível em: http://www.annalsmedres.org/index.php/aomr/article/view/1558. Acesso em: 25 aug. 2026.