@misc{indiciae272b6684e584,
  title = {[Tracheotomy--guidelines for nursing technology (1)].},
  author = {J Hamers and H van der Bruggen and R Halfens},
  year = {1991},
  url = {https://pubmed.ncbi.nlm.nih.gov/1930705/},
  note = {Source identifier: 1930705}
}