Lots More Information

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  • "Calories in Peeling Hard Boiled Eggs." Calorie-Count. 2008. (June 25, 2008) http://www.calorie-count.com/calories/item/83271.html
  • Eliasen, Mogens. "The Dangerous(?) Vitamin A." K9joy Education. May 2, 2005. (June 25, 2008) http://k9joy.com/dogarticles/vitaminA.php
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  • Higdon, Jane. "Vitamin A." Linus Pauling Institute at Oregon State University. 2007. (June 25, 2008) http://lpi.oregonstate.edu/infocenter/vitamins/vitaminA/
  • "Hypervitaminosis A." Medline Plus. Aug. 8, 2006. (June 25, 2008) http://www.nlm.nih.gov/medlineplus/ency/article/000350.htm
  • International federation of Competitive Eating. (June 25, 2008) http://www.ifoce.com/records.php
  • Lintzenich, Barbara, et al. "Formulating Diets for Polar Bears in Captivity." Brookfield Zoo Conservation Biology and Research Center. http://www.polarbearsinternational.org/pbhc/lintzenich.htm
  • Mos, Lizzy and Peter S. Ross. "Vitamin A physiology in the precocious harbor seal (Phoca vitulina): A tissue-based biomarker approach." Canadian Journal of Zoology. September 2002. http://www.ingentaconnect.com/content/nrc/cjz/2002/00000080/00000009/art00003
  • Penniston, Kristina L. and Sherry A. Tanumihardjo. "The acute and chronic toxic effects of vitamin A." The American Journal of Clinical Nutrition. 2006. http://www.ajcn.org/cgi/content/abstract/83/2/191
  • Rodahl, K. and T. Moore. "The Vitamin A Content and Toxicity of Bear and Seal Liver." The University of Cambridge Dunn Nutritional Laboratory and Medical Research Council. 1942. http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=1257872
  • Slaughter, Kip. E-mail interview. Conducted June 26, 2008.
  • "Vitamin A." Britannica Online Encyclopedia. 2008. (June 25, 2008) http://www.britannica.com/EBchecked/topic/630964/vitamin-A