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Le papier qui recouvre le filtre avec des motifs de lige Le papier du filtre qui se porte aux lvres, souvent imprim pour ressembler du lige, recouvre le cylindre du filtre et fixe le filtre la colonne de tabac

*Correspondence: Barbara Dancygier, [email protected] These authors have contributed equally to this work and share first authorship Disclaimer All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers

However, only 15 percent of those who had tried e-cigarettes were heavy users of the products, defined as those who had used the products for more than 14 days within the past month

Main outcome measure -Efficacy was defined as difference in percentages of treated and control subjects who had stopped smoking at one year