1. International Agency for Research on Cancer, IARC Monographs on the Evaluation of the Carcinogenic Risk of Chemicals to Humans, IARC, Lyon, 1979, 1–20, p. 27
2. L. Friberg , T.Kjellström, G.Nordberg and M.Piscator, in Handbook of the Toxicology of Metals, ed. Frieberg, L., Nordberg, G. F., and Vouk, V. B., Elsevier, North-Holland Biomedical Press, Amsterdam, 1979, p. 335
3. R. R. Lauwerys , Industrial Chemical Exposure: Guidelines for Biological Monitoring, Biomedical Publications, Davis, CA, 1983, p. 17
4. Some observations on direct determination of cadmium in urine by electrothermal atomization atomic absorption spectrometry
5. Fast determination of elements in water, urine and serum by graphite furnace atomic absorption spectrometry