Cell-free BAL recovered from WT and p47phox−/− mice 5 h following pulmonary injury, as described in Figure 3, were analyzed for: A) TNFα, by WEHI bioassay; B) IL-1β, by ELISA; C) KC, by ELISA; and D) MIP-2, by ELISA. N = 6 – 9 for each group from 7 independent experiments. * P < 0.05 and † 0.05 < P < 0.1 for comparisons indicated by the brackets.