TY - JOUR T1 - Informal payments by patients, institutional trust and institutional asymmetry JO - Frontiers in Psychology PY - 2022/10/07 AU - Williams C AU - Horodnic A AU - Ciobanu C-I AU - Drugus D ED - DO - DOI: 10.3389/fpsyg.2022.1015208 PB - Frontiers Media S.A. Y2 - 2025/03/13 ER -