1. Gay DD, Cox RD, Reinhardt JW. (1979) Chewing releases mercury from fillings. Lancet 1(8123):985–986.
2. World Health Organisation. (1997) Dental amalgam and alternative dental direct restorative materials.
3. Department of Health and Human Services: Public Health Service, 1997. Dental amalgam and alternative restorative materials. An update from the Working Group on Dental Amalgam, Washington (http://www.health.gov/environment/amalgam2/Contents.html).
4. US Food and Drug Administration, Department of Health and Human Services. 2002. Consumer Update: Dental Amalgams (http://www.fda.gov/cdrh/consumer/amalgams.html).
5. Fredin B. 1994. Mercury release from dental amalgam fillings. Int J Risk Saf Med 4; 197–208.