Baskan, Ozdil, and Ferda Ozdemir. “Endometriosis of the Sciatic Nerve With Cyclic Sciatica”. Acta Medica Lituanica, vol. 21, no. 3, Oct. 2014, pp. 99-102, https://doi.org/10.6001/actamedica.v21i3.2977.