@misc{indiciae7ff3bc39daff,
  title = {A portable oxygen generator.},
  author = {L W Hall and R E Kellagher and K J Fleet},
  year = {1986},
  doi = {10.1111/j.1365-2044.1986.tb13277.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/3728910/},
  note = {Source identifier: 3728910}
}