[Epidemiological study on the problem of malformations].
D000013:Congenital Abnormalities / Q000453:epidemiology*; D005260:Female; D005859:Germany, East; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D011247:Pregnancy
Epidemiologische Studie zum Missbildungsproblem.