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Title
Effect of maintenance therapy with varenicline on smoking cessation: a randomized controlled trial.
Authors
Tonstad, Serena; Tønnesen, Philip; Hajek, Peter; Williams, Kathryn E; Billing, Clare B; Reeves, Karen R; Varenicline Phase 3 Study Group
Abstract
The majority of cigarette smokers who achieve abstinence relapse within the first year and require many attempts before achieving permanent abstinence. Evidence to support pharmacological treatment for relapse prevention is insufficient.