@misc{indiciae5f33d695dcac,
  title = {A functional classification of spinal instrumentation.},
  author = {Mark R Foster},
  doi = {10.1016/j.spinee.2004.11.017},
  url = {https://pubmed.ncbi.nlm.nih.gov/16291111/},
  note = {Source identifier: 16291111}
}