Zulkifli, F. B., Zahedi, F. D. B., Nordin, A. B., & Jeing, Y. D. (2019). Nasal supratip pilonidal sinus: a rare manifestation. International Journal of Otorhinolaryngology and Head and Neck Surgery, 5(5), 1394–1396. https://doi.org/10.18203/issn.2454-5929.ijohns20193890