von Keudell, A., Alimi, M., Gebhard, H., & Härtl, R. "Adult Degenerative Scoliosis with Spinal Stenosis Treated with Stand-Alone Cage via an Extreme Lateral Transpsoas Approach; a Case Report and Literature Review", The Archives of Bone and Joint Surgery, 3, 2, 2015, 124–129. doi: 10.22038/abjs.2015.4101