@ARTICLE{
author={Markovic Radmila V,Jovanovic Branislav I,Baltic Milan Z,Sefer Dragan S,Petrujkic Branko T,Sinovec Zlatan J},
year={2008},
title={Effects Of Selenium Supplementation As Sodium Selenite Or Selenized Yeast And Different Amounts Of Vitamin E On Selenium And Vitamin E Status Of Broilers},
journal={ACTA VETERINARIA-BEOGRAD},
volume={58},
number={4},
pages={369-380},
document_type={Article},
} 

@ARTICLE{
author={Pesut Olivera,Jovanovic Branislav I,Gvozdic Dragan M,Stojic Velibor},
year={2004},
title={Selenium status of sheep and their lambs in the Northern Serbian Province of Vojvodina},
journal={ACTA VETERINARIA-BEOGRAD},
volume={54},
number={5-6},
pages={403-409},
document_type={Article},
}