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. Author manuscript; available in PMC: 2010 Oct 25.
Published in final edited form as: J Appl Physiol (1985). 2008 Sep 18;105(6):1944–1949. doi: 10.1152/japplphysiol.90682.2008

Fig. 2.

Fig. 2

Representative tracings from single breaths of airway flow, pressure (Paw) and partial pressure of CO2 at the y-piece in mainstream CO2 analyzer, PCO2. Thin black lines represent Tp0 and thicker grey lines Tp20.