We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleImpact of over-the-counter sales on effectiveness of pharmaceutical aids for smoking cessation.AuthorsPierce JP; Gilpin EAPublicationJAMA, 2002, Vol 288, Issue 10, p1260ISSN0098-7484Publication typearticleDOI10.1001/jama.288.10.1260