@ARTICLE{
author={Nakov Dimitar,Hristov Slavca V,Andonov Sreten,Trajchev Metodija},
year={2014},
title={Udder-related risk factors for clinical mastitis in dairy cows},
journal={VETERINARSKI ARHIV},
volume={84},
number={2},
pages={111-127},
document_type={Article},
} 

@ARTICLE{
author={Trajcev M,Nakov Dimitar,Hristov Slavca V,Andonov Sreten,Joksimovic-Todorovic Mirjana},
year={2013},
title={Clinical Mastitis in Macedonian Dairy Herds},
journal={ACTA VETERINARIA-BEOGRAD},
volume={63},
number={1},
pages={63-76},
document_type={Article},
}