Figure 3: Levels of VEGF determined in the serum by ELISA. C1=
Benzoimidazoquinazoline, C2= Benzimidazotriazine. Values are expressed
as mean ± SD. All data were analyzed using ANOVA followed by bonferroni
post hoc test. * significantly different compared to the normal group,# significantly different compared to the control
group, $ significantly different compared to the
cisplatin group. Differences were considered significant at p
<0.05.