Characteristics, use patterns and perceptions of electronic cigarette users who were never traditional cigarette smokers
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文摘
Less than 2% of adult e-cigarette users were never cigarette smokers. 63% of e-cig users who were never cigarette smokers had used other tobacco products. Studies of e-cig use should collect a full tobacco use history. Never cigarette smokers may use e-cigs to reduce other tobacco product use.

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