Anjum, Muhammad Adnan, Ahmed Siddique Ammar, Syed Asghar Naqi, Ameer Afzal, Zeeshan Sarwar, and Rana Sohail Ahmed. “A Case Report of Sacrococcygeal Foreign Body Presenting As Pilonidal Sinus”. Journal of the Pakistan Medical Association 73, no. 2 (February 15, 2023): 402–404. Accessed July 1, 2026. https://jpma.org.pk/index.php/public_html/article/view/4762.