@misc{indiciaecdb98c2f6dac,
  title = {An improved method for introducing an endobronchial blocker.},
  author = {M Zilberstein and R I Katz and A Levy and R Reyes and P J Poppers},
  year = {1990},
  doi = {10.1016/0888-6296(90)90296-r},
  url = {https://pubmed.ncbi.nlm.nih.gov/2132346/},
  note = {Source identifier: 2132346}
}