end tidal-to-arterial gas gradients

Measuring the human ventilatory and cerebral blood flow response to CO$_textrm2$: a technical consideration for the end-tidal-to-arterial gas gradient
Michael M Tymko, Ryan L Hoiland, Tomas Kuca, Lindsey M Boulet, Joshua C Tremblay, Bryenna K Pinske, Alexandra M Williams, Glen E Foster
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