Evidence of a dose-response relationship between "truth" antismoking ads and youth smoking prevalence.
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K. Davis | M. Farrelly | M. Haviland | P. Messeri | C. Healton | ML Haviland | M. Haviland
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K. Davis | M. Farrelly | M. Haviland | P. Messeri | C. Healton | ML Haviland | M. Haviland