[Incidence of at-risk pregnancies. An analysis of perinatal statistics of West German districts].
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Universitäts-Frauenklinik Giessen.
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D003430:Cross-Sectional Studies; D005260:Female; D005860:Germany, West; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D011248:Pregnancy Complications / Q000453:epidemiology* / Q000209:etiology; D012307:Risk Factors
Hüfigkeit von Risikoschwangerschaften. Eine Analyse der Perinatalstatistiken der Bundesländer.