<p><b>Copyright information:</b></p><p>Taken from "Mercury, Food Webs, and Marine Mammals: Implications of Diet and Climate Change for Human Health"</p><p>Environmental Health Perspectives 2005;113(5):521-526.</p><p>Published online 2 Feb 2005</p><p>PMCID:PMC1257541.</p><p>This is an Open Access article: verbatim copying and redistribution of this article are permitted in all media for any purpose, provided this notice is preserved along with the article's original DOI.</p