@misc{indiciaec178d81fb4a4,
  title = {Preventing postoperative pulmonary complications.},
  author = {O U Petring and B Adelhøj},
  year = {1985},
  doi = {10.1016/s0140-6736(85)92064-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/2857298/},
  note = {Source identifier: 2857298}
}