the corresponding groups of fetuses were then delivered prematurely on day 28 of gestation ( term approximately 31 days ) and evaluated with respect to differences in body weight , lung weight , and the ratios of wet to dry lung weight and lung dry weight to body weight , the static inflation and deflation air and saline pressure-volume ( p-v ) characteristics of the lungs , and lung morphology .
C0005910
weight
C1521970
characteristics