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Three out of four published systematic reviews on COVID-19 treatments were not registered and one-third of those registered were published: a meta-research study.
Siemens, Waldemar; Nothacker, Julia; Stadelmaier, Julia; Meerpohl, Joerg J; Schmucker, Christine.
Affiliation
  • Siemens W; Institute for Evidence in Medicine, Medical Center - University of Freiburg, Faculty of Medicine, Freiburg, Germany; Cochrane Germany, Cochrane Germany Foundation, Freiburg, Germany. Electronic address: siemens@ifem.uni-freiburg.de.
  • Nothacker J; Institute for Evidence in Medicine, Medical Center - University of Freiburg, Faculty of Medicine, Freiburg, Germany.
  • Stadelmaier J; Institute for Evidence in Medicine, Medical Center - University of Freiburg, Faculty of Medicine, Freiburg, Germany.
  • Meerpohl JJ; Institute for Evidence in Medicine, Medical Center - University of Freiburg, Faculty of Medicine, Freiburg, Germany; Cochrane Germany, Cochrane Germany Foundation, Freiburg, Germany.
  • Schmucker C; Institute for Evidence in Medicine, Medical Center - University of Freiburg, Faculty of Medicine, Freiburg, Germany.
J Clin Epidemiol ; 152: 36-46, 2022 Dec.
Article in En | MEDLINE | ID: mdl-36179937
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: COVID-19 Type of study: Guideline / Prognostic_studies / Systematic_reviews Limits: Humans Language: En Journal: J Clin Epidemiol Journal subject: EPIDEMIOLOGIA Year: 2022 Document type: Article Country of publication: United States
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: COVID-19 Type of study: Guideline / Prognostic_studies / Systematic_reviews Limits: Humans Language: En Journal: J Clin Epidemiol Journal subject: EPIDEMIOLOGIA Year: 2022 Document type: Article Country of publication: United States