@article{article, title  = {{Informal payments by patients in Central and Eastern Europe during the COVID-19 pandemic: an institutional perspective}},

 publisher = {{MDPI AG}},

 url = {{}},

 year = {{2021}},

 month = {{10}},

 author = {{Horodnic AV and Williams CC and Drugă RI and Incaltarau C}},

 doi = {{10.3390/ijerph182010914}},

 volume = {{18}},

 journal = {{International Journal of Environmental Research and Public Health}},

 issue = {{20}},

 note = {{Accessed on 2024/12/21}}}