by contrast , endotoxin-treated o2-exposed lambs had a delayed increase in microvascular permeability to protein , a reduced rate of lung edema formation , normal gas exchange after 72 h in o2 , and prolonged survival ( 136 +/- 15 h ; range 90-160 h ; all variables p less than 0.05 ) .
C0034063
lung edema
C0030054
o2