10.
Nagelhout GE, van den Putte B, Allwright S, Mons U, McNeill A, Guignard R, Beck F, Siahpush M, Joossens L, Fong GT, et al. Socioeconomic and country variations in cross-border cigarette purchasing as tobacco tax avoidance strategy. Findings from the ITC Europe Surveys. Tob Control. 2014;23 Suppl 1:i30–38.