@misc{indiciaea58ecb7fd347,
  title = {Back pain.},
  author = {R M Ellis},
  year = {1995},
  doi = {10.1136/bmj.310.6989.1220},
  url = {https://pubmed.ncbi.nlm.nih.gov/7767187/},
  note = {Source identifier: 7767187}
}