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Slavik, Petr, Josef Illek, Michal Brix, Jaroslava Hlavicova, Radko Rajmon, و Frantisek Jilek. Influence of Organic Versus Inorganic Dietary Selenium Supplementation On the Concentration of Selenium in Colostrum, Milk and Blood of Beef Cows. BioMed Central, 2008.

Slavik, Petr, et al. Influence of Organic Versus Inorganic Dietary Selenium Supplementation On the Concentration of Selenium in Colostrum, Milk and Blood of Beef Cows. BioMed Central, 2008.