1. Cigarette smoking-attributable mortality and years of potential life lost - United States, 1990;Centers for Disease Control and Prevention (CDC);MMWR Morb. Mortal. Wkly. Rep.,1993
2. Guidance for Industry: Modified Risk Tobacco Product Applications;Food and Drug Administration,2012
3. Estimation of sex-specific smoking statistics by standardized age groups and time periods;Forey,2002
4. International smoking statistics,2002
5. Systematic review with meta-analysis of the epidemiological evidence relating smoking to COPD, chronic bronchitis and emphysema;Forey;BMC Pulm. Med.,2011