Davidov, I., Radinović, M., Erdeljan, M., Kovačević, Z., Stojanović, D., 2012. RELATIONSHIP BETWEEN KERATIN LAYER OF DUCTUS PAPILLARIS AND ZINC BLOOD SERUM CONCENTRATION IN DAIRY COWS. Archives of Veterinary Medicine, Archives of Veterinary Medicine, 5, 2, 45–51., https://doi.org/10.46784/e-avm.v5i2.170