TY - JOUR T1 - Rethinking informal payments by patients in Europe: An institutional approach JO - Health Policy UR - http://eprints.whiterose.ac.uk/120649/ PY - 2017/08/30 AU - Williams CC AU - Horodnic AV ED - DO - DOI: 10.1016/j.healthpol.2017.08.007 PB - Elsevier Y2 - 2025/03/13 ER -