title: Effect of public smoking ban in Helena, Montana: can law really make a difference?
authors.forename: Sheena
authors.initials: S
authors.lastname: Surindran
mesh_terms: D006801:Humans; D009009:Montana / Q000453:epidemiology; D009203:Myocardial Infarction / Q000453:epidemiology*; D012907:Smoking / Q000331:legislation & jurisprudence*; D014028:Tobacco Smoke Pollution / Q000331:legislation & jurisprudence*
chemical_list: D014028:Tobacco Smoke Pollution