1. ANONYMOUS: Manganese, Committee on Biological effects of Atmospheric Pollutants, Division of Medical Sciences, National Research Council, National Academy of Sciences, Washington, D.C., 1973.
2. ANONYMOUS: Scientific and Technical Assessment Report on Manganese, U.S. Environmental Protection Agency, Office of Research and Development, Washington, D.C., 1975.
3. BEK, F. et al., At. Absorption Newslett.13, 47 (1974).
4. BOURDON, R. et al., Ann. Biol. Clin.32, 413 (1974).
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