TY - JOUR T1 - Knowing and unknowing purchases of undeclared healthcare goods and services : the role of vertical and horizontal trust JO - International Journal of Environmental Research and Public Health PY - 2021/11/03 AU - Horodnic IA AU - Williams CC AU - Maxim A AU - Stoian IC AU - Čšugulea OC AU - Horodnic AV ED - DO - DOI: 10.3390/ijerph182111561 PB - MDPI AG VL - 18 IS - 21 Y2 - 2024/12/22 ER -