@misc{indiciae705c5f8a4542,
  title = {[Knowledge of postoperative lung collapse].},
  author = {K DEMMER},
  year = {1957},
  doi = {10.1007/bf01235947},
  url = {https://pubmed.ncbi.nlm.nih.gov/13402428/},
  note = {Source identifier: 13402428}
}