Kansal, Abhishek, Rajiv Jain, Suraj Jain, and Kavita Munjal. “A Rare Case of Recurrent Pilonidal Sinus of Scalp”. International Surgery Journal 3, no. 3 (December 9, 2016): 1669–1671. Accessed February 3, 2026. https://www.ijsurgery.com/index.php/isj/article/view/350.