AHMED M. ABD ELKAFY EL SHEMY, M.Sc.; MAGDY M. MOSTAFA, M.D.;; MOHAMMED F. LABIB AYOUP, M.D.; HISHAM A. MOHAMED, M.D.. "A New Surgical Approach for Pilonidal Sinus Disease: "De-Epithelialization Technique"". The Medical Journal of Cairo University, 90, 9, 2022, 1347-1352. doi: 10.21608/mjcu.2022.264490