@misc{indiciae74ecd4fbf905,
  title = {Segmental motion and instability.},
  author = {I A Stokes and J W Frymoyer},
  year = {1987},
  doi = {10.1097/00007632-198709000-00009},
  url = {https://pubmed.ncbi.nlm.nih.gov/2961083/},
  note = {Source identifier: 2961083}
}