1. Global cancer statistics;Jemal;CA Cancer J Clin,2011
2. GLOBOCAN 2012 v1.0, cancer incidence and mortality worldwide: IARC Cancer Base No. 11;Ferlay,2013
3. Global cancer rates could increase by 50% to 15 million by 2020;World Health Organization,2003
4. The less harmful cigarette: a controversial issue. A tribute to Ernst L. Wynder;Hoffmann;Chem Res Toxicol,2001
5. Polycyclic aromatic hydrocarbons in the diet;Phillips;Mutat Res,1999