Posterior atlantoaxial fusion: a comprehensive review of surgical techniques and relevant vascular anomalies - Chen, Qi; Brahimaj, Bledi C.; Khanna, Ryan; Kerolus, Mena G.; Tan, Lee A.; David, Brian T.; Fessler, Richard G. (Journal of Spine Surgery; Vol 6, No 1 (March 30, 2020): Journal of Spine Surgery, 2020)