Socio-Economic Inequalities, Out-of-Pocket Payment and Consumers' Satisfaction with Primary Health Care: Data from the National Adult Consumers' Satisfaction Survey in Serbia 2009–2015 - Vojvodic, Katarina; Terzic-Supic, Zorica; Santric-Milicevic, Milena; Wolf, Gert W. (Frontiers in Pharmacology, 2017)