@misc{indiciae12ca91c564d2,
  title = {Postoperative pulmonary complications.},
  author = {Peter Rock and Preston B Rich},
  year = {2003},
  doi = {10.1097/00001503-200304000-00004},
  url = {https://pubmed.ncbi.nlm.nih.gov/17021450/},
  note = {Source identifier: 17021450}
}