@ARTICLE{
author={Mitkova Zornitsa,Stefanovic Ana,Misita Jelena,Stevanovic Nikola,Tachkov Konstantin,Boyadzieva Vladimira,Stoilov Nikolay,Petrova Guenka},
year={2026},
title={Comparative analysis of prices, public expenditures, and utilization of biological disease modifying drugs for treatment of inflammatory joint diseases in Bulgaria and Serbia},
journal={BIOTECHNOLOGY & BIOTECHNOLOGICAL EQUIPMENT},
volume={40},
number={1},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Brkic Jovana,Fialova Daniela,Okuyan Betul,Kummer Ingrid,Sesto Sofija,Capiau Andreas,Ortner-Hadziabdic Maja,Tachkov Konstantin,Bobrova Veera},
year={2022},
title={Prevalence of potentially inappropriate prescribing in older adults in Central and Eastern Europe: a systematic review and synthesis without meta-analysis},
journal={SCIENTIFIC REPORTS},
volume={12},
number={1},
pages={-},
document_type={Article},
}