@misc{indiciae403d1071154b,
  title = {Maine lumbar spine study.},
  author = {R Keller and S J Atlas and R A Deyo and D E Singer},
  year = {1997},
  doi = {10.1097/00007632-199702150-00023},
  url = {https://pubmed.ncbi.nlm.nih.gov/9055377/},
  note = {Source identifier: 9055377}
}