title: Out-of-Pocket Patient Payments for Public Health Care Services in Bulgaria.
authors.affiliation: Department of Health Economics and Management, Faculty of Public Health, Medical University of Varna , Varna , Bulgaria.
authors.forename: Elka
authors.initials: E
authors.lastname: Atanasova
authors.affiliation: Department of Health Services Research, Faculty of Health, Medicine and Life Sciences, CAPHRI, Maastricht University Medical Center, Maastricht University , Maastricht , Netherlands.
authors.forename: Milena
authors.initials: M
authors.lastname: Pavlova
authors.affiliation: Department of Health Services Research, Faculty of Health, Medicine and Life Sciences, CAPHRI, Maastricht University Medical Center, Maastricht University , Maastricht , Netherlands ; Topinstitute Evidence-Based Education Research (TIER), Maastricht University , Maastricht , Netherlands.
authors.forename: Wim
authors.initials: W
authors.lastname: Groot
keywords: Bulgaria; health care reform; health care services; informal payments; out-of-pocket payments