Figure 4: Effect of pentoxifylline, diltiazem, and rosuvastatin treatment on renal blood flow in diabetic and non-diabetic rats. Effect of treatment with pentoxifylline (40 mg/kg), diltiazem (10mg/kg), and rosuvastatin (10mg/kg) for 8 weeks on renal blood flow in experimentally STZ induced diabetic nephropathy. Data are presented as mean ± SEM. a: Significant difference versus control group at p < 0.05. b: Significant difference versus diabetic control group at p < 0.05.