%0 Journal Article %T Informal patient payments in Bulgaria and Ukraine %A Melnyk %A Victoria %A Gryga %A Irena %A Stepurko %A Tetiana %J Tobacco Control and Public Health in Eastern Europe %D 2012 %I Tobacco Control and Public Health in Eastern Europe %K informal payments %K informal patient payments %K gratitude %K bribe %K Central and Eastern Europe countries %U http://andreevin.narod.ru/journal/2012/s1/15.pdf