Eray, Ismail Cem, and Uğur Topal. 2021. “Perineal Scar Endometriosis Involving the Anal Sphincter. A Case Report and Review of the Literature”. Annali Italiani Di Chirurgia 10 (January):1-5. https://annaliitalianidichirurgia.it/index.php/aic/article/view/2151.