AUTHOR=Stepurko Tetiana , Pavlova Milena , Gryga Irena , Groot Wim TITLE=Making Patients Pay: Informal Patient Payments in Central and Eastern European Countries JOURNAL=Frontiers in Public Health VOLUME=3 YEAR=2015 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2015.00192 DOI=10.3389/fpubh.2015.00192 ISSN=2296-2565