@misc{indiciae642d4c168fbf,
  title = {Respiratory cycles.},
  author = {W W UMBREIT},
  year = {1953},
  doi = {10.1002/jcp.1030410405},
  url = {https://pubmed.ncbi.nlm.nih.gov/13052629/},
  note = {Source identifier: 13052629}
}