Eren Yuksel, Mehmet. “Crystallized Phenol Treatment Is Less Effective in Patients With Recurrent Pilonidal Disease After Surgery Compared to Patients With Primary Pilonidal Disease ”. Annals of Medical Research 27, no. 3 (May 25, 2021): 0830–0832. Accessed September 16, 2026. http://www.annalsmedres.org/index.php/aomr/article/view/667.