Citation:Cornelius ME, Driezen P, Fong GT, Chaloupka FJ, Hyland A, Bansal-Travers M, et al. Trends in the use of premium and discount cigarette brands: findings from the ITC US Surveys (2002–2011). Tobacco Control. 2014;23:i48–i53. Download CitationDOI BibTex Tagged XML DOI