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O'Brien, Doireann, Long, Jean, Lee, Caitriona ORCID: https://orcid.org/0000-0001-5132-4492, McCarthy, Anne and Quigley, Joan ORCID: https://orcid.org/0000-0001-8658-7364 (2020) Electronic cigarette use and tobacco cigarette smoking initiation in adolescents: an evidence review. Dublin: Health Research Board.