@misc{indiciae6c130e2f4af4,
  title = {Preventing back pain.},
  author = {E B MacDonald and R W Porter},
  year = {1981},
  doi = {10.1016/s0140-6736(81)92485-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/6112628/},
  note = {Source identifier: 6112628}
}