@misc{indiciae53e0af7bfbbd,
  title = {Backache. I.},
  author = {G V Chamberlain},
  year = {1971},
  doi = {10.1136/bmj.2.5753.99},
  url = {https://pubmed.ncbi.nlm.nih.gov/4251644/},
  note = {Source identifier: 4251644}
}