1. Tato Rocha, R.E., E. Cardenas Viedma and E. Herrero Huerta (1994) Selenio: implicaciones fisiopatologicas Y clinicas. An. Med. Intern., 11, 457–463.
2. W.H.O. (1987) Selenium. Environmental Health Criteria 58, World Health Organization, Geneva.
3. Fishbein, L. (1991) Selenium, in: Merian E. (Ed.), Metals and Their compounds in the Environment. VCH, Weinheim, pp. 1155-1190.
4. Thompson, H. (1992) Mechanism of selenium anticancer and toxic activities. Crisp Data Base, National Institute of Health.
5. Preston, R.J., B.J. Dean, S. Galloway, H. Holden, A.F. McFee and M. Shelby (1987) Mammalian in vivo cytogenetic assays: analysis of chromosome aberrations in bone marrow cells. Mutation Res., 189, 157–165.