title: Light and intermittent smokers: background and perspective.
authors.affiliation: Smoking Research Group, Department of Psychology, University of Pittsburgh, 130 North Bellefield Avenue, Pittsburgh, PA 15213, USA. shiffman@pitt.edu
authors.forename: Saul
authors.initials: S
authors.lastname: Shiffman
mesh_terms: D006801:Humans; D012907:Smoking / Q000453:epidemiology*; D014029:Tobacco Use Disorder; D014481:United States / Q000453:epidemiology