Fig. 5From: Effects of valsartan combined with α-lipoic acid on renal function in patients with diabetic nephropathy: a systematic review and meta-analysisComparison of the effects of lipoic acid plus valsartan with that of valsartan or lipoic acid monotherapy on oxidative stress. (A) the level of SOD; (B) the level of MDA; (C) the levels of T-AOC. LV, lipoic acid plus valsartan; L, lipoic acid; V, valsartanBack to article page