• Just informal patient payments are not enough, 'personal connections' and knowledge of the 'rules' are also required: a logistic regression analysis of informal practices in health care in UkraineLevenets, Olena; Stepurko, Tetiana; Polese, Abel; Pavlova, Milena; Groot, WimHealth Economics, Policy and Law2025 / 21 p https://doi.org/10.1017/S1744133124000215 https://www.scopus.com/sourceid/10900153303 https://www.scopus.com/pages/publications/105003442432?origin=resultslist https://jcr.clarivate.com/jcr-jp/journal-profile?journal=HEALTH%20ECON%20POLICY%20L&year=2024 https://www.webofscience.com/wos/woscc/full-record/WOS:001392080000001