Electronic cigarette use among adult population: a cross-sectional study in Barcelona, Spain (2013–2014)
Martínez-Sánchez, Jose M ; Ballbè, Montse ; Fu, Marcela ; Martín-Sánchez, Juan Carlos ; Saltó, Esteve ; Gottlieb, Mark ; Daynard, Richard ; Connolly, Gregory N ; Fernández, Esteve
BMJ open, 2014-01, Vol.4 (8), p.e005894 [Periódico revisado por pares]England: BMJ Publishing Group LTD
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