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Role of NOS2 on bronchoalveolar lavage (BAL) cellularity and total protein in hyperoxia. NOS2+/+ and NOS2−/− young adult mice were exposed to 100% O2 for 60 hours. (A) BAL total cell recovery. The noted values represent assessments in a minimum of four animals in each group. *P < 0.001, **P < 0.01, #P = 0.03. (B) BAL total protein levels. The values noted represent assessments in a minimum of four animals in each group. **P < 0.001, #P < 0.01, ##P = 0.02.
