Statistics from Altmetric.com
Cochrane Tobacco Addiction Review Group register of trials, which included the results of searches of Medline, PsycINFO, and conference abstracts (all to Aug 2005).
Study selection and assessment:
randomised or quasi-randomised controlled trials of participants who had quit smoking on their own, were in enforced abstinence, or were in cessation programmes; had ⩾6 months of follow up; and compared relapse prevention …
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