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Effect of burn and smoke injury and Na2S treatment on airway pressure. (A) Na2S treatment versus all control animals; (B) Na2S treatment versus non-surviving animals during the experimental period. Comparisons were made using two-way analysis of variance with a Tukey-Kramer post hoc procedure. There were only two animals in the control group from 72 to 96 h. *P≤ 0.05 versus control.
