@misc{indiciae69a002dfc7cd,
  title = {The Whisperflow adjustable flow generator.},
  author = {S Ali and G C Fisher},
  year = {1993},
  doi = {10.1111/j.1365-2044.1993.tb07159.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/8346801/},
  note = {Source identifier: 8346801}
}