title: [Tobacco smoking. What happened since 1971?].
authors.forename: P E
authors.initials: PE
authors.lastname: Nielsen
mesh_terms: D003718:Denmark; D049673:History, 20th Century; D006801:Humans; D012907:Smoking / Q000266:history / Q000639:trends; D016540:Smoking Cessation
vernacular_title: Tobaksrygning. Hvordan er det gået siden 1971?