@article{article, title = {{The companion pandemic to COVID-19: the use of informal practices to access public healthcare services in the European Union}}, publisher = {{Frontiers Media SA}}, url = {{}}, year = {{2022}}, month = {{10}}, author = {{Horodnic AV and Williams CC and Drugă RI}}, doi = {{10.3389/ijph.2022.1604405}}, volume = {{67}}, journal = {{International Journal of Public Health}}, note = {{Accessed on 2025/03/13}}}