Fig. 4From: Experimental rat model for acute tubular injury induced by high water hardness and high water fluoride: efficacy of primary preventive intervention by distilled water administrationRelative a kidney and b liver weights of rats exposure to normal water and test water for 60 and 90 days (Experiment I) and distilled water as a treatment for 60 and 90 days (Experiment II). Error bars represent standard error. Data are expressed as mean ± S.D., (n = 3)Back to article page