@ARTICLE{
author={Djuric D,Stefanovich E,Tasich N,Yakovlevich V,Kanyukh V,Boijich M},
year={2000},
title={The use of brachial artery reactivity tests for assessment of endothelial dysfunction in the process of aging},
journal={KARDIOLOGIYA},
volume={40},
number={11},
pages={24-27},
document_type={Article},
} 

@ARTICLE{
author={Jovovic Ljiljana I,Kovacevic S,Stefanovich E,Nastasic Stevan,Janjeva A,Bojic Milovan M},
year={2000},
title={The heart and melanoma (a case from the practice)},
journal={KARDIOLOGIYA},
volume={40},
number={7},
pages={83-84},
document_type={Article},
}