[The German study register: always up to date on the latest developments in research].
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Hügler
D002986:Clinical Trials as Topic / Q000706:statistics & numerical data / Q000639:trends; D016208:Databases, Factual / Q000592:standards; D005858:Germany; D006801:Humans; D012042:Registries / Q000592:standards*; D012106:Research / Q000706:statistics & numerical data / Q000639:trends