Biblio
“Humoral Immune System Response to Copper and Selenium Supplementation in Weaned Beef Steers”, Oregon Agricultural Experiment Station, 1991.
, “OSU Dept. of Animal Sciences 1991 Progress Report: Effects of Zinc, Copper and Selenium Supplementation on the Humoral Immune System of Weaned Steers”, Oregon Agricultural Experiment Station, 1991.
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