4Engelbergs J, Thomale J, Rajewsky MF. Role of DNA repair in carcinogen induced rats mutation [J]. Mutat Res, 2000, 450: 139-153.
5Robichova S, Slamenova D. Effects of vitamins C and E on cytotoxicity induced by N-nitroso compounds, N-nitrosomorpholine and N-methyl-N'-nitro-N-nitrosoguanidine in Caco-2 and V79 cell lines[J].Cancer Lett, 2002, 182 (1): 11-18