Alver, O., Paksoy, M., Baca, B., Erenler, İlknur, Kayabaşı, B., Ayan, F., & Dervişoğlu, S. (2013). Retrorectal epidermal cyst: report of four cases and review of the literature. Cerrahpaşa Medical Journal, 40(3), 97–102. https://doi.org/10.2399/ctd.09.97