@misc{indiciae8ed9f0ae237f,
  title = {Respiratory changes after open-heart surgery.},
  author = {H Tulla and J Takala and E Alhava and H Huttunen and A Kari and H Manninen},
  year = {1991},
  doi = {10.1007/bf01716198},
  url = {https://pubmed.ncbi.nlm.nih.gov/1744330/},
  note = {Source identifier: 1744330}
}