We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleA meta-analysis of the efficacy of over-the-counter nicotine replacementAuthorsHughes, J RPublicationTobacco Control, 2003, Vol 12, Issue 1, p21ISSN0964-4563Publication typearticleDOI10.1136/tc.12.1.21