@misc{indiciae9a9bd85874ef,
  title = {[Acute hemodynamic changes caused by tracheobronchial suction].},
  author = {G Hempelmann and G Karliczek and U Helms and W Hempelmann},
  year = {1972},
  url = {https://pubmed.ncbi.nlm.nih.gov/4558773/},
  note = {Source identifier: 4558773}
}