@ARTICLE{
author={Djordjic Visnja D,Cvetkovic Milan,Popovic Boris K,Radanovic Danilo,Lazic Milica S,Cvetkovic Biljana R,Andrasic Slobodan,Buisic Svetlana B,Markovic Miroslav},
year={2022},
title={Physical Activity, Eating Habits and Mental Health during COVID-19 Lockdown Period in Serbian Adolescents},
journal={HEALTHCARE},
volume={10},
number={5},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Cvetkovic Biljana R,Cvetkovic Milan,Petrusic Tanja,Djordjic Visnja D,Bubanj Sasa R,Popovic Boris K,Andrasic Slobodan,Buisic Svetlana B,Bogataj Spela},
year={2021},
title={Nutrition and Physical Activity Behavior in 11-14-Year-Old Schoolchildren in Serbia},
journal={CHILDREN-BASEL},
volume={8},
number={8},
pages={-},
document_type={Article},
}