Figure 2: Effect of telmisartan on pulmonary arterial wall thickness. (A) The pulmonary arterial wall thickness was observed under light microscope. (B) Histograms represent the pulmonary arterial wall thickness. The pulmonary arterial wall thickness was measured by using image-pro plus software. Data are presented as the mean ± SEM (n=8 in each group).**P<0.01 compared with Control group and Telmisartan group(one-way ANOVA).