Figure 3: Effect of telmisartan on proliferation of pulmonary arterial elastic fibers. (A) Pulmonary arterial elastic fibers were stained blue in Weigert Staining. (B) Histograms represent integrated optical density (IOD) measured with 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).