DOI:
10.1055/s-00000059
Pneumologie
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References
Brozek JL, Akl EA, Alonso-Coello P. et al.
Grading quality of evidence and strength of recommendations in clinical practice guidelines. Part 1 of 3. An overview of the GRADE approach and grading quality of evidence about interventions.
Allergy 2009; 64: 669-677
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