Dose(mg/kg bw per day)	Relative kidney weight(%)	sd2	n	Cova
0	0.35	0.021	15	1
10	0.35	0.054	15	1
100	0.38	0.031	15	1
625	0.42	0.022	15	1
0	0.36	0.054	14	2
10	0.38	0.026	15	2
100	0.40	0.025	14	2
625	0.45	0.027	15	2

^a1: males. 2: females.