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.
Stile di citazione ChicagoRopstad, Erik, Olav Østerås, Gunnar Øvernes, e Arne Frøslie. "Seasonal Variation of Selenium Status of Norwegian Dairy Cows and Effects of Selenium Supplementation." Acta Vet Scand 1988.
Citazione MLARopstad, Erik, Olav Østerås, Gunnar Øvernes, e Arne Frøslie. "Seasonal Variation of Selenium Status of Norwegian Dairy Cows and Effects of Selenium Supplementation." Acta Vet Scand 1988.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.