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Anyanwu, Philip Emeka, Craig, Peter ORCID: https://orcid.org/0000-0002-7653-5832, Katikireddi, Srinivasa Vittal ORCID: https://orcid.org/0000-0001-6593-9092 and Green, Michael James ORCID: https://orcid.org/0000-0003-3193-2452 (2018) Impacts of smoke-free public places legislation on inequalities in youth smoking uptake: study protocol for a secondary analysis of UK survey data. BMJ Open, 8(3), e022490. (doi: 10.1136/bmjopen-2018-022490) (PMID:29593026) (PMCID:PMC5875608)