AUTHOR=Stepovic Milos , Dragojevic Simic Viktorija , Zivanovic Macuzic Ivana , Simic Radoje , Vekic Stefan , Sekulic Marija , Radovanovic Snezana , Maricic Milena , Sorak Marija , Suljagic Vesna , Vojinovic Radisa , Rancic Nemanja TITLE=The last 3 decade of vaccination coverage in the Balkan and Eastern Europe countries with reference to the impact of the COVID-19 pandemic JOURNAL=Frontiers in Pharmacology VOLUME=15 YEAR=2024 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2024.1278771 DOI=10.3389/fphar.2024.1278771 ISSN=1663-9812