Lucherini, Mark, Rooke, Catriona, Amos, Amanda, ""They're thinking, well it's not as bad, I probably won't get addicted to that. But it's still got the nicotine in it, so…": Maturity, control and socialising: Negotiating identities in relation to smoking and vaping. A qualitative study of young adults in Scotland.", Nicotine and Tobacco Research, 2017