作者单位:Inst Med Res & Occupat Hlth, Anim Breeding Unit, Ksaverska 2, Zagreb, Croatia[1]Inst Med Res & Occupat Hlth, Analyt Toxicol & Mineral Metab Unit, Ksaverska 2, Zagreb, Croatia[2]Inst Med Res & Occupat Hlth, Mutagenesis Unit, Ksaverska 2, Zagreb, Croatia[3]