@misc{indiciae4813d286c43a,
  title = {When back pain becomes disabling: a regional analysis.},
  author = {Ernest Volinn and Daniel Lai and Steven McKinney and John D Loeser},
  year = {1988},
  doi = {10.1016/0304-3959(88)90200-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/2967946/},
  note = {Source identifier: 2967946}
}