Ceballos A, Wittwer FG, Contreras PA, Quiroz E, Bohmwald HL. Blood activity of glutathione peroxidase and its correlation with blood selenium concentration in grazing dairy cattle. PAB [Internet]. 1999 Dec. 1 [cited 2025 Nov. 25];34(12):2331-8. Available from: https://apct.sede.embrapa.br/pab/article/view/5573