when the rll were obstructed at functional residual capacity ( frc ) and the rest of the lung was inflated to a transpulmonary pressure of 10 or 20 cm h2o ( 1 cm h2o = 94.1 n/m2 ) , relative perfusion increased within 10 s to the obstructed lobes by 59 and 92 % , respectively .
C1261075
rll
C0024109
lung