@misc{indiciae943cd994083c,
  title = {Pain control after thoracotomy.},
  author = {J Richardson and S Sabanathan},
  year = {1994},
  doi = {10.1378/chest.105.6.1907},
  url = {https://pubmed.ncbi.nlm.nih.gov/8205913/},
  note = {Source identifier: 8205913}
}