title: [Principles for a tumor epidemiological study of breast cancer in the GDR].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001943:Breast Neoplasms / Q000453:epidemiology*; D005260:Female; D005859:Germany, East; D006801:Humans; D008875:Middle Aged; D012494:Sampling Studies
vernacular_title: Grundlagen zu einer geschwulstepidemiologischen Studie am Brustdrüsenkarzinom in der DD.