Sözen, S. (2015) “Effective conservative treatment of umbilical pilonidal sinus disease: Silver nitrate? Salt?”, Annali Italiani di Chirurgia, 86(5), pp. 450–455. Available at: https://annaliitalianidichirurgia.it/index.php/aic/article/view/1659 (Accessed: 29 May 2025).