Zulkifli, Firamir Bin, Farah Dayana Bintin Zahedi, Ahmad Bin Nordin, and Yong Doh Jeing. “Nasal Supratip Pilonidal Sinus: A Rare Manifestation”. International Journal of Otorhinolaryngology and Head and Neck Surgery 5, no. 5 (August 27, 2019): 1394–1396. Accessed November 1, 2025. https://www.ijorl.com/index.php/ijorl/article/view/1572.