DOI: 10.1055/s-00000012

Endoscopy

References

Egger M, Davey SmithG, Schneider M. et al.
Bias in meta-analysis detected by a simple, graphical test.

BMJ 1997;
315: 629-634

Egger M, Davey SmithG, Schneider M. et al.
Bias in meta-analysis detected by a simple, graphical test.

BMJ 1997;
315: 629-634

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