1. 1. Silbergeld, E. K. 2003, "Facilitative mechanisms of lead as a carcinogen", Mutat. Res., v. 533, no. 1-2, pp. 121-133.
2. 2. IPCS. Environmental health criteria 165. "Inorganic lead". [Electronic resource]. Geneva: WHO. Mode of access: http://www.inchem.org/documents /ehc/ehc/ ehc165.htm
3. 3. Caballes, F. R., Bonkovsk, H. L., Sendi, H. 2012, "He pa titis C, porphyria cutanea tarda and liver iron: an update", Liver International., v. 32, no. 6, pp. 880-893.
4. 4. Richter, G., Velasquez, M. J., Shedd, R. 1979, "Ferritin in rat kidneys with specific lesions due to a single dose of lead", Am. J. Pathol., no. 94, pp. 483-95.
5. 5. Wright, R. O., Silverman, E. K., Schwartz, J. [et al.]. 2004, "Association between hemochromatosis genotype and lead exposure among elderly men: the normative aging study", Environ. Health Perspect., v. 112, no. 6. pp. 746-750.