Do electronic cigarettes increase cigarette smoking in UK adolescents? Evidence from a 12-month prospective study
Mark Conner, Sarah Grogan, Ruth Simms-Ellis, Keira Flett, Bianca Sykes-Muskett, Lisa Cowap, Rebecca Lawton, Christopher J Armitage, David Meads, Carole Torgerson, Robert West, Kamran Siddiqi
Tobacco Control Jul 2018, 27 (4) 365-372; DOI: 10.1136/tobaccocontrol-2016-053539