title: The silver anniversary.
authors.forename: C E
authors.initials: CE
authors.lastname: Koop
mesh_terms: D000846:Anniversaries and Special Events; D006291:Health Policy; D006801:Humans; D010819:Physician's Role; D011641:Public Relations; D012907:Smoking / Q000453:epidemiology* / Q000331:legislation & jurisprudence; D000074606:Smoking Prevention; D014481:United States