Prevalence of vaping and smoking among adolescents in Canada, England, and the United States: repeat national cross sectional surveys

D. HAMMOND ; J. L. REID ; V. L. RYNARD ; G. T. FONG ; K. M. CUMMINGS ; A. McNEILL ; S. HITCHMAN ; J. F. THRASHER ; M. L. GONIEWICZ ; M. BANSAL-TRAVERS ; R. O’CONNOR ; D. LEVY ; R. BORLAND ; C. M. WHITE | 2019
Dans British Medical Journal (Vol.365, n°8204, 22 June 2019) Article : Périodique

Objective: To examine differences in vaping and smoking prevalence among adolescents in Canada, England, and the United States. Design: Repeat cross sectional surveys. Setting: Online surveys in Canada, England, and the US. Participants: Nati[...]

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