DOI: 10.1055/s-00000020

Geburtshilfe und Frauenheilkunde

References

Higgins J, Altman D, Sterne J.
Chapter 8: Assessing risk of bias in included studies. Cochrane Handbook for Systematic Reviews of Interventions Version 5.1. 0 (updated March 2011).
The Cochrane Collaboration; 2011

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