@misc{indiciaef638957aa7f2,
  title = {Controlled low oxygen concentration by Venturi effect.},
  author = {S Farzan},
  year = {1971},
  doi = {10.1001/jama.1971.03180340068028},
  url = {https://pubmed.ncbi.nlm.nih.gov/5108466/},
  note = {Source identifier: 5108466}
}