DOI: 10.1055/s-00000099

Zeitschrift für Orthopädie und Unfallchirurgie

References

Guyatt GH, Sackett DL, Sinclair JC. et al.
Usersʼ guides to the medical literature. IX. A method for grading health care recommendations. Evidence-Based Medicine Working Group.

JAMA 1995;
274: 1800-1804

Guyatt GH, Sackett DL, Sinclair JC. et al.
Usersʼ guides to the medical literature. IX. A method for grading health care recommendations. Evidence-Based Medicine Working Group.

JAMA 1995;
274: 1800-1804

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