Figure 4
From: Proinflammatory role of inducible nitric oxide synthase in acute hyperoxic lung injury
TNF-α concentration in BAL from wild-type and iNOS knockout mice after 72 h exposure to 21%, 60%, and >95% O2. Data are mean ± SEM of seven mice for each group. #p < 0.05 vs. normoxia; *p < 0.05 vs. 60% O2; $p < 0.05 vs. iNOS knockout mice.