1. WHO/UNEP Environmental Health Criteria—Lead. WHO, 1977, Genewa.
2. J. K. Piotrowski and B. J. O'Brien, Analyysis of the Effects of Lead in Tissue upon Human Health Using Dose-Response Relationship, MARC, Report No. 17, 1980 London.
3. J. Chmielnicka, E. Komsta-Szumska, and J. A. Szymańska,Brit. J. Ind. Med. 38, 175 (1981).
4. K. Tsuchiya, inHandbook on the Toxicology of Metals, L. Friberg, G. F. Nordberg, and V. Vonk, eds., Elsevier Science Publishers B. V., 1986, p. 298.
5. M. Abdulla and J. Chmielnicka,Biol. Trace Element Res. 23, 25 (1990).