Cohort study of electronic cigarette use: effectiveness and safety at 24 months
Tobacco Control (2017) - Comments
pubmed: 27272748  doi: 10.1136/tobaccocontrol-2015-052822  issn: 0964-4563  issn: 1468-3318 

Lamberto Manzoli, Maria Elena Flacco, Margherita Ferrante, Carlo La Vecchia, Roberta Siliquini, Walter Ricciardi, Carolina Marzuillo, Paolo Villari, Maria Fiore,