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. Author manuscript; available in PMC: 2013 Jul 24.
Published in final edited form as: N Engl J Med. 2013 Jan 24;368(4):351–364. doi: 10.1056/NEJMsa1211127

Figure 1. Changes in Rates of Death from Lung Cancer and Chronic Obstructive Pulmonary Disease (COPD) over Time among Current Female and Male Smokers in the Three Time Periods.

Figure 1

Data were obtained from the first Cancer Prevention Study (CPS I) for the period from 1959 to 1965, from the second Cancer Prevention Study (CPS II) for the period from 1982 to 1988, and from five contemporary cohort studies for the period from 2000 to 2010.