Crystallized phenol for treatment of pilonidal sinus disease in children: a comparative clinical study. - Arslan, Serkan; Okur, Mehmet Hanifi; Basuguy, Erol; Aydogdu, Bahattin; Zeytun, Hikmet; Cal, Suat; Tegin, Serdest; Azizoglu, Mustafa (Pediatric Surgery International, 2021)