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In control experiments, dogs breathed ambient air (21% O2, 79% N2; normoxia) for the 1st h, followed by a gas mixture containing 10% O2 and 90% N2 for 2 h (hypoxia). This time course was the same for all CA inhibitor experiments, but the fraction of inspired O2 was reduced to 0.09¨C0.085 during the hypoxia period to match the arterial PO2 (PaO2) of the control dogs. This was necessary because of the ventilatory stimulus of the CA inhibitors to maintain an equal stimulus to HPV, as we showed in our earlier publication (8). |
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RXMCDM: ½ð±Ò+1 2014-06-07 14:08:26
shixianbao: ½ð±Ò+5, ·ÒëEPI+1, ¡ï¡ï¡ïºÜÓаïÖú 2014-06-08 21:35:20
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