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
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[...]
Historique