@inproceedings{KaramianSchroederCansecoetal.2021,
  author    = {Brian Karamian and Gregory Schroeder and Jose Canseco and Lorin Benneker and Frank Kandziora and Shanmuganathan Rajasekaran and F. Cumhur {\"O}ner and Klaus J. Schnake and Christopher Kepler and Alexander R. Vaccaro},
  title     = {The influence of surgeon experience and subspeciality on the reliability of the AO spine sacral classification system},
  booktitle = {Brain and Spine},
  volume    = {1},
  number    = {Supplement 1, 100017},
  doi       = {10.1016/j.bas.2021.100017},
  year      = {2021},
}