Epidemiology of low back pain.

@article{Andersson1998EpidemiologyOL,
  title={Epidemiology of low back pain.},
  author={Gunnar B. J. Andersson},
  journal={Acta orthopaedica Scandinavica. Supplementum},
  year={1998},
  volume={281},
  pages={28-31}
}