@misc{indiciaeb4c2186cfd81,
  title = {Lumbar instability: a dynamic approach by traction-compression radiography.},
  author = {O Friberg},
  year = {1987},
  doi = {10.1097/00007632-198703000-00007},
  url = {https://pubmed.ncbi.nlm.nih.gov/2954216/},
  note = {Source identifier: 2954216}
}