1. (1) UNEP. Global Mercury Assessment 2013: Sources, emission, releases and environmental transport. Geneva: UNEP Chemicals Branch, 2013.
2. (2) NRC: National Research Council. Toxicological Effects of Methylmercury. Washington, DC.: Academic Press, 2000.
3. (3) UNEP. Mercury—Time to act. Geneva: UNEP, 2013.
4. (4) WHO. Mercury. Environmental Health Criteria 1. Geneva: World Health Organization, 1976.
5. (5) WHO. Methylmercury. Environmental Health Criteria 101. Geneva: World Health Organization, 1990.