@misc{indiciae1f41f383f042,
  title = {Current developments in oxygen concentrator technology.},
  author = {N D Harris and J M Stamp},
  doi = {10.3109/03091908709018150},
  url = {https://pubmed.ncbi.nlm.nih.gov/3625750/},
  note = {Source identifier: 3625750}
}