Sagittal alignment differences on the operating room table compared to preoperative and postoperative imaging in anterior cervical discectomy and fusion oleh Mark J Lambrechts, Gregory R Toci, Brian A Karamian, Zachary Kozick, John Prodoehl, David Reiter, Rahul Muchintala, Eric Tecce, Alexander Vaccaro Jr, Patrick O'Connor, Amit Syal, Dominic Lambo, Jose A Canseco, I David Kaye, Barrett I Woods, Alan S Hilibrand, Christopher K Kepler, Alexander R Vaccaro, Gregory D Schroeder