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. 2017 Aug 29;14(9):973. doi: 10.3390/ijerph14090973

Figure 4.

Figure 4

Prevalence of electronic cigarette (e-cigarette) use in 11 to 16 year olds, ASH Smokefree GB-Youth survey, 2016/2017. Notes: ASH Smokefree GB-Youth Survey n = 1205 (2016), n = 1361 (2017). Base for regular smokers in 2016 survey is only 14 and for 2017 is only 28.