Lung ventilation patterns determined by analysis of nitrogen elimination rates; use of mass spectrometer as a continuous gas analyzer.

@article{Robertson1950LungVP,
  title={Lung ventilation patterns determined by analysis of nitrogen elimination rates; use of mass spectrometer as a continuous gas analyzer.},
  author={Joanne S. Robertson and W E Siri and H B Jones},
  journal={The Journal of clinical investigation},
  year={1950},
  volume={29 5},
  pages={577-90}
}