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Hartmann-Boyce, Jamie and Butler, Ailsa R and Theodoulou, Annika and Onakpoya, Igho J and Hajek, Peter and Bullen, Chris and Rigotti, Nancy A and Lindson, Nicola (2023) Biomarkers of potential harm in people switching from smoking tobacco to exclusive e-cigarette use, dual use or abstinence: secondary analysis of Cochrane systematic review of trials of e-cigarettes for smoking cessation. Addiction , 118 , (3) , pp. 539-545.