Cigarettes and the Surgeon General's report.
Bergner
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D015984:Causality; D015340:Epidemiologic Research Design; D016021:Epidemiologic Studies; D019317:Evidence-Based Medicine; D006801:Humans; D011634:Public Health; D012907:Smoking / Q000009:adverse effects* / Q000453:epidemiology; D014481:United States / Q000453:epidemiology