DOI: 10.1055/s-00000012

Endoscopy

References

Atkins D, Eccles M, Flottorp S. et al.
Systems for grading the quality of evidence and the strength of recommendations I: critical appraisal of existing approaches The GRADE Working Group.

BMC Health Serv Res 2004;
4: 38

Atkins D, Eccles M, Flottorp S. et al.
Systems for grading the quality of evidence and the strength of recommendations I: critical appraisal of existing approaches The GRADE Working Group.

BMC Health Serv Res 2004;
4: 38

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