Cross-sectional study examining the prevalence, correlates and sequencing of electronic cigarette and tobacco use among 11-16-year olds in schools in Wales

BMJ Open (2017) - Comments
pubmed: 28159848 doi: 10.1136/bmjopen-2016-012784 issn: 2044-6055

Elen De Lacy, Adam Fletcher, Gillian Hewitt, Simon Murphy, Graham Moore