Horton , Travis W., Joel D. Blum, Zhouqing Xie, Michael Hren, and C. Page Chamberlain. “Stable Isotope Food-Web Analysis and Mercury Biomagnification in Polar Bears (Ursus Maritimus)”. Polar Research 28, no. 3 (December 1, 2009): 443-454. Accessed March 26, 2026. https://polarresearch.net/index.php/polar/article/view/2851.