@misc{indiciae30950ef1eb22,
  title = {Work load and back pain.},
  author = {M Heliövaara},
  year = {1999},
  doi = {10.5271/sjweh.450},
  url = {https://pubmed.ncbi.nlm.nih.gov/10569457/},
  note = {Source identifier: 10569457}
}