the mean linear intercept , a measure of airspace dimensions was similar in all lungs ( 42.1 +/- 2.0 micron ) , but alveolar wash phospholipid/g wet lung was lower in immature than in mature lungs ( 0.05 +/- 0.01 vs. 0.49 +/- 0.30 mg ) ( p less than 0.01 ) .
C0034063
wet lung
C0024109
lungs