Ropstad, E., Østerås, O., Øvernes, G., & Frøslie, A. (1988). Seasonal Variation of Selenium Status of Norwegian Dairy Cows and Effects of Selenium Supplementation. Acta Vet Scand.
シカゴスタイル引用形Ropstad, Erik, Olav Østerås, Gunnar Øvernes, , Arne Frøslie. "Seasonal Variation of Selenium Status of Norwegian Dairy Cows and Effects of Selenium Supplementation." Acta Vet Scand 1988.
MLA引用形式Ropstad, Erik, Olav Østerås, Gunnar Øvernes, , Arne Frøslie. "Seasonal Variation of Selenium Status of Norwegian Dairy Cows and Effects of Selenium Supplementation." Acta Vet Scand 1988.
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