We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleMeasures of abstinence in clinical trials: issues and recommendations.AuthorsHughes JR; Keely JP; Niaura RS; Ossip-Klein DJ; Richmond RL; Swan GEPublicationNicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco, 2003, Vol 5, Issue 1, p13ISSN1462-2203Publication typearticle