@misc{indiciaec4441ecd6b2d,
  title = {[Extra-thoracic negative pressure ventilation].},
  author = {Y Okutsu and Hiroshi and Usuda and K Numata},
  year = {1986},
  url = {https://pubmed.ncbi.nlm.nih.gov/3459218/},
  note = {Source identifier: 3459218}
}