@misc{indiciae7ff519d97c9d,
  title = {Tracheal cannulas.},
  author = {G ANDREN and S INGELSTEDT and N G TOREMALM},
  year = {1960},
  doi = {10.3109/00016486009122390},
  url = {https://pubmed.ncbi.nlm.nih.gov/13683420/},
  note = {Source identifier: 13683420}
}