DOI: 10.1055/s-00000089

Ultraschall in der Medizin - European Journal of Ultrasound

References

Higgins JPT, Altman DG, Gøtzsche PC. et al.
The Cochrane Collaboration’s tool for assessing risk of bias in randomised trials.

BMJ: British Medical Journal (Online); London 2011;
343: d5928

Higgins JPT, Altman DG, Gøtzsche PC. et al.
The Cochrane Collaboration’s tool for assessing risk of bias in randomised trials.

BMJ: British Medical Journal (Online); London 2011;
343: d5928

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