9Lutz WK. Dose - response relationship in chemical carcinogenesis from DNA adduct to adducts to tumor incidence [J]. Adv Exp Med Boil, 1991, 283: 151-156.
10Thrasher JD, Kilbum K H. Embryo toxicity and teratogenicity of formaldehyde [J]. Arch Environ Health, 2001, 56 (4) : 300- 311.