@ARTICLE{
author={Velhner Maja J,Mitevski Darko,Potkonjak Dubravka V,Stojanovic Dragica M,Kovacevic Mira L,Petrovic Tamas R,Aleksic-Kovacevic Sanja},
year={2010},
title={Biological Properties of a Naturally Attenuated Infectious Bursal Disease Virus Isolated From a Backyard Chicken Flock},
journal={ACTA VETERINARIA HUNGARICA},
volume={58},
number={4},
pages={499-509},
document_type={Article},
} 

@ARTICLE{
author={Velhner Maja J,Lazic Sava M,Petrovic Tamas R,Mitevski Darko,Aleksic-Kovacevic Sanja},
year={2001},
title={Protection of chickens with maternally derived antibodies after challenge with very virulent infectious bursal disease virus},
journal={ACTA VETERINARIA-BEOGRAD},
volume={51},
number={4},
pages={219-225},
document_type={Article},
}