@misc{indiciae778fcb0dad11,
  title = {[Complications during fiber endoscopy].},
  author = {M L Hefti and R Baumgartner and R Gassmann and E Leuthold},
  year = {1972},
  url = {https://pubmed.ncbi.nlm.nih.gov/4657273/},
  note = {Source identifier: 4657273}
}