Effect of Immediate vs Gradual Reduction in Nicotine Content of Cigarettes on Biomarkers of Smoke Exposure: A Randomized Clinical Trial
IMPORTANCE: The optimal temporal approach for reducing nicotine to minimally or nonaddictive levels in all cigarettes sold in the United States has not been determined. OBJECTIVES: To determine the effects of immediate vs gradual reduction in nicotine content to very low levels and as compared with...
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Veröffentlicht in: | JAMA : the journal of the American Medical Association 2018-09, Vol.320 (9), p.880-891 |
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Hauptverfasser: | , , , , , , , , , , , , , , , , , , , , , , , , , , , |
Format: | Artikel |
Sprache: | eng |
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