@misc{indiciaef625fef21a3b,
  title = {Why does acute back pain become chronic?},
  author = {M I Jayson},
  year = {1997},
  doi = {10.1136/bmj.314.7095.1639},
  url = {https://pubmed.ncbi.nlm.nih.gov/9193284/},
  note = {Source identifier: 9193284}
}