574310.fig.003
Figure 3: Comparison of HFA 227 formulations in terms of drug deposited in USP throat of NGI maintaining constant concentration of fluorescein Na and Pluronic L81 (data represent mean ± SD, ). * (ANOVA/Tukey’s) 15% w/w EtOH versus 10 & 5% w/w EtOH, ** (ANOVA/Tukey’s) 13% w/w EtOH versus 5% w/w EtOH.