To our contributors: trial registration.
Druml
Wilfred
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D001317:Austria; D035843:Biomedical Research / Q000592:standards*; D002986:Clinical Trials as Topic / Q000592:standards*; D016208:Databases, Factual; D019983:Guideline Adherence; D038622:Internationality; D010506:Periodicals as Topic / Q000592:standards*; D012042:Registries / Q000592:standards*; D014944:World Health Organization / Q000458:organization & administration*