@misc{indiciae6b9c5124f555,
  title = {Miniature ventilators. An assessment.},
  author = {J M Collis and D W Bethune and M A Tobias},
  year = {1969},
  doi = {10.1111/j.1365-2044.1969.tb02810.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/5248899/},
  note = {Source identifier: 5248899}
}