@article{article, title  = {{Knowing and unknowing purchases of undeclared healthcare goods and services : the role of vertical and horizontal trust}},

 publisher = {{MDPI AG}},

 url = {{}},

 year = {{2021}},

 month = {{11}},

 author = {{Horodnic IA and Williams CC and Maxim A and Stoian IC and Țugulea OC and Horodnic AV}},

 doi = {{10.3390/ijerph182111561}},

 volume = {{18}},

 journal = {{International Journal of Environmental Research and Public Health}},

 issue = {{21}},

 note = {{Accessed on 2024/12/21}}}