@misc{indiciaefaaddaf2b92e,
  title = {[Respiratory problems following heart surgery].},
  author = {R Beer and D Soga},
  year = {1971},
  doi = {10.1055/s-0028-1099106},
  url = {https://pubmed.ncbi.nlm.nih.gov/5280349/},
  note = {Source identifier: 5280349}
}