DOI: 10.1055/s-00000012

Endoscopy

References

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

BMJ 2011;
343: d5928

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

BMJ 2011;
343: d5928

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