@misc{indiciaeeb2a7237da9e,
  title = {A nomographic solution for lung volume determinations in the closed system helium dilution method.},
  author = {G BIRATH and E W SWENSON},
  year = {1956},
  doi = {10.3109/00365515609049292},
  url = {https://pubmed.ncbi.nlm.nih.gov/13390835/},
  note = {Source identifier: 13390835}
}