The Respiratory Dead Space Measured by Single Breath Analysis of Oxygen, Carbon Dioxide, Nitrogen or Helium by J. Bartels and others (source code)

= The Respiratory Dead Space Measured by Single Breath Analysis of Oxygen, Carbon Dioxide, Nitrogen or Helium by J. Bartels and others
{c}
{tag=Work by J. Bartels}
{title2=1954}

https://www.jci.org/articles/view/102868

Journal of Clinical Investigation 33(1), 41–48 (1 January 1954), DOI 10.1172/JCI102868. Primary first byline J. Bartels; title identifies a comparison of single-breath gas-analysis measurements. The indexed opening of page 41 describes simultaneous gas-fraction and mouth-flow recording following an oxygen breath.