Fig. 2. Changes in percent of bronchial cross-sectional area during apnea and after rebreathing was started. The lungs were ventilated with 50% O2and 50% N2before and after apnea (apnea–50% O2group). All values are presented as mean ± SD.
Fig. 2. Changes in percent of bronchial cross-sectional area during apnea and after rebreathing was started. The lungs were ventilated with 50% O2and 50% N2before and after apnea (apnea–50% O2group). All values are presented as mean ± SD.
