@misc{indiciaea03c9bbae5da,
  title = {["Sewed-in" tracheostomy].},
  author = {A Berger and R Kucher and G Lechner and K Steinbereithner},
  year = {1970},
  url = {https://pubmed.ncbi.nlm.nih.gov/4256241/},
  note = {Source identifier: 4256241}
}