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Mean Oxygenation Index (OI) values (A,B) and Ventilation Efficiency Index (VEI) values (C,D) of surfactant-depleted rabbits (A,C) and preterm lambs (B,D) treated with Poractant alfa at a dose of 100 mg/kg (black circles) or with Bovactant at a dose of 50 mg/kg (white triangles). BALs, bronchoalveolar lavages; B, baseline, before BALs. Mean ± SEM is shown. #P vs. Bovactant 50 mg/kg <0.05.
