1. JECFA (Joint FAO/WHO Expert Committee on Food Additives). Safety Evaluation of CertainContaminants in Food; WHO Food Additives Series No. 63; (2011.http://whqlibdoc.who.int/publications/2011/9789241660631_eng.pdf(accessed October 2015).
2. IARC (International Agency for Research on Cancer). Agents Classifiedby the IARC Monographs, Volumes 1–109. http://monographs.iarc.fr/ENG/Classification/ClassificationsAlphaOrder.pdf(accessed Oct, 2015) .
3. EPA-FDA. Fish: What Pregnant Women and Parents Should Know. Draft UpdatedAdvice by FDA and EPA/June (2014.http://www.fda.gov/downloads/Food/FoodborneIllnessContaminants/Metals/UCM400358.pdf(accessed Oct, 2015).
4. Poulin, J.; Gibb, H.Mercury. Assessing the Environmental Burden of Disease at National and Local Levels. WHO Library Cataloguing-in-Publication Data; 2008.http://whqlibdoc.who.int/publications/2008/9789241596572_eng.pdf). (accessed Oct, 2015).