1. Draghici C, Coman G, Jelescu C, Dima C, Chirila E (2010) Heavy metals determination in environmental and biological samples, In: Environmental heavy metal pollution and effects on child mental development- risk assessment and prevention strategies, NATO Advanced Research Workshop, Sofia, Bulgaria, 28 April-1 May 2010
2. Vieira C, Morais S, Ramos S, Delerue-Matos C, Oliveira MBPP (2011) Mercury, cadmium, lead and arsenic levels in three pelagic fish species from the Atlantic Ocean: intra- and inter-specific variability and human health risks for consumption. Food Chem Toxicol 49:923–932
3. Agency for Toxic Substance and Disease Registry, ATSDR (2003a) Toxicological profile for arsenic. U.S. Department of Health and Humans Services, Public Health Humans Service, Centers for Diseases Control and Prevention, Atlanta
4. Agency for Toxic Substance and Disease Registry, ATSDR (2003b) Toxicological profile for mercury. U.S. Department of Health and Humans Services, Public Health Humans Service, Centers for Diseases Control and Prevention, Atlanta
5. Agency for Toxic Substance and Disease Registry, ATSDR (2007) Toxicological profile for lead. U.S. Department of Health and Humans Services, Public Health Humans Service, Centers for Diseases Control and Prevention, Atlanta