@misc{indiciaedeb520cdc1c9,
  title = {Relationship between preoperative pulmonary function tests and complications after thoracotomy.},
  author = {P G Boysen and A J Block and P V Moulder},
  year = {1981},
  url = {https://pubmed.ncbi.nlm.nih.gov/7244959/},
  note = {Source identifier: 7244959}
}