Workforce Analysis of Spine Surgeons Involved with Neurological and Orthopedic Surgery Residency Training - Post, Alexander F.; Dai, Jennifer B.; Li, Adam Y.; Maniya, Akbar Y.; Haider, Syed; Sobotka, Stanislaw; Germano, Isabelle M.; Choudhri, Tanvir F. (World Neurosurgery, 2019)