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author={Jovanovic Dijana B,Krstivojevic P,Obradovic Ivana P,Djurdjevic Vesna,Djukanovic Ljubica D},
year={2003},
title={Serum cystatin C and beta(2)-microglobulin as markers of glomerular filtration rate},
journal={RENAL FAILURE},
volume={25},
number={1},
pages={123-133},
document_type={Article},
} 

@ARTICLE{
author={Stosic Gordana,Sumarac Zorica R,Djurdjevic Vesna,Dajak Marijana M,Obradovic Ivana P,Majkic-Singh Nada T},
year={2000},
title={Evaluation of Kodak Ektachem 250 system},
journal={JUGOSLOVENSKA MEDICINSKA BIOHEMIJA-YUGOSLAV MEDICAL BIOCHEMISTRY},
volume={19},
number={1},
pages={37-41},
document_type={Article},
}