@ARTICLE{
author={Milic Jelena Z,Kokic Zoran,Kon Predrag,Vucurovic Milica N,Novak Sonja,Popovic Nadezda,Marusic Vuk P},
year={2025},
title={Seasonal Mortality Patterns Analyzing Epidemiological Impact of COVID-19 on Overall Mortality Rates in Belgrade, Serbia Over Three-Year Period (2020-2023): Mental Health Consequences and Public Health Implications},
journal={JOURNAL OF CLINICAL MEDICINE},
volume={14},
number={10},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Kokic Zoran,Kon Predrag,Djurkovic-Djakovic Olgica M},
year={2023},
title={Effectiveness of Vaccination in Preventing COVID-19: A Community Study Comparing Four Vaccines},
journal={VACCINES},
volume={11},
number={3},
pages={-},
document_type={Article},
}