@misc{indiciae8a1c50e8014e,
  title = {Low back pain.},
  author = {D Borenstein},
  year = {1990},
  doi = {10.1097/00002281-199002020-00002},
  url = {https://pubmed.ncbi.nlm.nih.gov/2144176/},
  note = {Source identifier: 2144176}
}