@misc{indiciae25368a309068,
  title = {Automatic non-rebreathing valve.},
  author = {F G ETHERIDGE},
  year = {1958},
  doi = {10.1093/bja/30.5.245},
  url = {https://pubmed.ncbi.nlm.nih.gov/13536205/},
  note = {Source identifier: 13536205}
}