BOLANDPARVAZ, Shahram, Parisa MOGHADAM DIZAJ, Roohollah SALAHI, Shahram PAYDAR, Mohammad BANANZADEH, Hamid-Reza ABBASI, and Armaghan ESHRAGHIAN. 2012. “Evaluation of the Risk Factors of Pilonidal Sinus: A Single Center Experience”. Turkish Journal of Gastroenterology 23 (5):535-37. https://doi.org/10.4318/tjg.2012.0381.