9Frusch N,Bosquée L,Louis R.Lung cancer.Epidemiology and etiologic factors.Rev Med Liege,2007,62(9):548-553.
10Baliunas D,Patra J,Rehm J,et al.Smoking-attributable mortality and expected years of life lost in Canada 2002:conclusions for prevention and policy,2007,27(4):154-162.