Abdelraheem O, Khalil M. Comparative study between excision with primary closure versus Limberg flap for treatment of primary sacrococcygeal pilonidal sinus. Int Surg J [Internet]. 2017 Oct. 27 [cited 2025 Oct. 25];4(11):3581-5. Available from: https://www.ijsurgery.com/index.php/isj/article/view/2113