@article{3220062, title = "Primary Umbilical Endometriosis: Villar’s Nodule [Primer Göbek Endometriozisi: Villar Nodülü]", author = "Iavazzo, C. and Vrachnis, N. and Gkegkes, I.D.", journal = "Medeniyet Medical Journal", year = "2022", volume = "37", number = "1", pages = "123-124", publisher = "Galenos Publishing House", doi = "10.4274/MMJ.galenos.2022.48865" }