Citation:
Cornelius, M. E. , Driezen, P. , Fong, G. T. , Chaloupka, F. J. , Hyland, A. , Bansal-Travers, M. , Carpenter, M. J. , et al. (2014). Trends in the use of premium and discount cigarette brands: findings from the ITC US Surveys (2002–2011). Tobacco Control, 23, i48–i53. doi:10.1136/tobaccocontrol-2013-051045