@misc{indiciaed6d749031ec4,
  title = {Oxygen concentrations received from commonly used delivery systems.},
  author = {J S Redding and D D McAfee and C W Gross},
  year = {1978},
  doi = {10.1097/00007611-197802000-00024},
  url = {https://pubmed.ncbi.nlm.nih.gov/622627/},
  note = {Source identifier: 622627}
}