Takala J.: Chemical Safety Information for Developing-Countries. Sci Total Environ1996; 188(suppl 1):S112-S129.
2.
Ames BA, Gold LS: Too many rodent carcinogens: Mitogenesis increases mutagenesis. Science1990;249:970-971.
3.
Doll R., Peto R.: The Causes of Cancer. Oxford, Oxford University Press, 1981.
4.
McLaughlin JK , Chow WH, Levy LS: Amorphous silica: A review of health effects from inhalation exposure with particular reference to cancer. J Toxicol Environ Health1997;50: 553-566.
