title: Debate over tobacco and film ratings should be evidence-based.
authors.affiliation: University of California San Francisco, United States.
authors.forename: Jonathan
authors.initials: J
authors.lastname: Polansky
authors.forename: Stanton
authors.initials: S
authors.lastname: Glantz
mesh_terms: D000329:Advertising; D002669:Child Welfare; D006801:Humans; D009040:Motion Pictures; D012907:Smoking