Radioactivity of phosphate mineral supplements and final mixtures for poultry nutrition from import origin and produced in local feed factories in Serbia
Vitorović, G., Fakultet veterinarske medicine, Beograd (Serbia) ; Mitrović, B., Fakultet veterinarske medicine, Beograd (Serbia) ; Andrić, V., Fakultet veterinarske medicine, Beograd (Serbia) ; Vitorović, D., Poljoprivredni fakultet, Beograd - Zemun (Serbia)