648
ENDS Report.
649
http://www.vegansociety.com/html/info/info28.html
650
http://www.vegansociety.com
651
Royal College of Physicians, 2002. Nutrition and patients: a doctor's responsibility,
652
http://www.pcrm.org/health/Dairy_and_Prostate_Cancer/d_p_article.html
653
Berger, Abi, 2002. Science commentary: What does zinc do? BMJ, 325, 1062–1063.
654
Hambridge, K. M., Casey, C. E. and Krebs, N. F., 1986. Zinc, In: Trace Elements in Human and Animal Nutrition, Fifth Edition, Mertz, W., Ed. Academic Press, Inc. London.
