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783307 
Journal Article 
Review 
What is "quality of evidence" and why is it important to clinicians? 
Guyatt, GH; Oxman, AD; Kunz, R; Vist, GE; Falck-Ytter, Y; Schünemann, HJ 
2008 
1 
BMJ (Clinical Research Edition)
ISSN: 0959-8138
EISSN: 1756-1833 
336 
7651 
995-998 
English 
18456631 
WOS:000255808400041 
In 2004 the Grading of Recommendations Assessment, Development and Evaluation (GRADE) Working Group presented its initial proposal for patient management. In this second of a series of five articles focusing on the GRADE approach to developing and presenting recommendations we show how GRADE has built on previous systems to create a highly structured, transparent, and informative system for rating quality of evidence.