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Title
A meta-analysis of the efficacy of over-the-counter nicotine replacement.
Authors
Hughes, J R; Shiffman, S; Callas, P; Zhang, J
Abstract
To determine whether over-the-counter (OTC) nicotine replacement therapy (NRT) is pharmacologically efficacious, whether it produces abstinence rates similar to those in prescription settings, and to estimate the long term (that is, greater than six month) abstinence rate with OTC NRT.