@misc{indiciae4c16abb47922,
  title = {[Back pain problems. Epidemiology].},
  author = {F Biering-Sørensen and M Kjøller},
  year = {1997},
  url = {https://pubmed.ncbi.nlm.nih.gov/9297324/},
  note = {Source identifier: 9297324}
}