Smoking and Its Related Factors Among Iranian High School Students.

Iran J Psychiatry Behav Sci · 2015 · PMC4733302 · PMID 26834798

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an increasing trendno p-value reported

In this study, the prevalence of different tobacco substances in 2003 was 13%, while in 2008 it was 26.6%, which showed an increasing trend ( 11 ).

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