title: [20 years of tumor control in the DDR--a retrospective and prospective review].
mesh_terms: D005859:Germany, East; D049673:History, 20th Century; D006801:Humans; D009369:Neoplasms / Q000453:epidemiology / Q000266:history / Q000517:prevention & control*
vernacular_title: 20 Jahre Geschwulstbekämpfung in der DDR--eine Rückblick und Ausblick.