Lateef Naif Razeek, Hussein Sahan Jasim, and Esam Abdalhameed Hasan, “Sacrococcygeal Pilonidal Sinus: A Comparative Study of Excision with Laying Open and Bascom’s Technique”, Texa. Jour. of Medi. Scie., vol. 4, pp. 12–20, Jan. 2022.