1. The Secretariat of the Stockholm Convention. Stockholm Convention on Persistent Organic Pollutants (POPs) as amended in 2009. http://chm.pops.int/Convention/ThePOPs/ListingofPOPs/tabid/2509/Default.aspx Accessed 21 Feb 2016.
2. Health Canada. Report on Human Biomonitoring of Environmental Chemicals in Canada: Results of the Canadian Health Measures Survey Cycle 1 (2007-2009). Ottawa: Health Canada; 2010. http://www.hc-sc.gc.ca/ewh-semt/pubs/contaminants/chms-ecms/index-eng.php . Accessed 12 Apr 2016.
3. CDC. Fourth National Report on Human Exposure to Environmental Chemicals. Atlanta, GA: Department of Health, Centers for Disease Control and Prevention, 2009. http://www.cdc.gov/exposurereport/ . Accessed 12 Apr 2016.
4. CDC. Fourth National Report on Human Exposure to Environmental Chemicals: Updated Tables, August 2014. Atlanta: U.S. Department of Health and Human Services; 2014.
5. Sundstrom M, Ehresman DJ, Bignert A, et al. A temporal trend study (1972-2008) of perfluorooctanesulfonate, perfluorohexanesulfonate, and perfluorooctanoate in pooled human milk samples from Stockholm, Sweden. Environ Int. 2011;37(1):178–83.