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Citation: Holger J Schnemann,Andrew D Oxman,Jan Brozek,Paul Glasziou,Roman Jaeschke,Gunn E Vist,John W Williams Jr,Regina Kunz,Jonathan Craig,Victor M Montori,Patrick Bossuyt,Gordon H Guyatt,for the GRADE Working Group. Grading Quality of Evidence and Strength of Recommendations for Diagnostic Tests and Strategies. Chinese Journal of Evidence-Based Medicine, 2009, 09(5): 503-508. doi: 10.7507/1672-2531.20090093 Copy

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