@misc{indiciaeee499ef892a5,
  title = {The Downs' adjustable flow generator.},
  author = {G C Fisher},
  year = {1988},
  doi = {10.1111/j.1365-2044.1988.tb05752.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/2972225/},
  note = {Source identifier: 2972225}
}