Figure 2From: Heliox reduces respiratory system resistance in respiratory syncytial virus induced respiratory failureEffect of mechanical ventilation with heliox on respiratory system resistance. Data are expressed as mean ± standard deviation. * P < 0.05 T = 30 vs T = 0; ** P < 0.05 T = 60 vs T = 30; *** P < 0.05 T = 90 vs T = 60.Back to article page