Retailers' knowledge of tobacco harm reduction following the introduction of a new brand of smokeless tobacco

Harm Reduction Journal - Tập 7 Số 1 - Trang 18 - 2010
Karyn Heavner1, Zale Rosenberg1, Francis Tenorio1, Carl Phillips2
1School of Public Health, University of Alberta, Edmonton, Alberta, T6G 2L9, Canada
2TobaccoHarmReduction.org, Saint Paul, MN, 55104, USA

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