AUTHOR=Vasiljevic Dragan, Mihailovic Natasa, Radovanovic Snezana TITLE=Socioeconomic Patterns of Tobacco Use–An Example from the Balkans JOURNAL=Frontiers in Pharmacology VOLUME=7 YEAR=2016 URL=https://www.frontiersin.org/articles/10.3389/fphar.2016.00372 DOI=10.3389/fphar.2016.00372 ISSN=1663-9812