@misc{indiciae3538e003d8c0,
  title = {Tracking back injuries.},
  author = {E F Grayzel},
  year = {1991},
  doi = {10.1097/00043764-199108000-00005},
  url = {https://pubmed.ncbi.nlm.nih.gov/1941277/},
  note = {Source identifier: 1941277}
}