@misc{indiciaee2f70a833912,
  title = {Risk indicators for low back trouble.},
  author = {F Biering-Sørensen and C E Thomsen and J Hilden},
  year = {1989},
  url = {https://pubmed.ncbi.nlm.nih.gov/2529630/},
  note = {Source identifier: 2529630}
}