title: [Studies on the trisomy 21 syndrome (Langdon-Down disease) in the district of Neubrandenburg].
mesh_terms: D000328:Adult; D004314:Down Syndrome / Q000453:epidemiology*; D005193:Family Planning Services; D005260:Female; D005859:Germany, East; D006801:Humans; D008423:Maternal Age; D008875:Middle Aged
vernacular_title: Untersuchungen über das Trisomie-21-Syndrom (Morbus Langdon-Down) im Bezirk Neubrandenburg.