GRADE guidelines: 8. Rating the quality of evidence—indirectness

Gordon H. Guyatt, Andrew D. Oxman, Regina Kunz, James Woodcock, Jan Brozek, Mark Helfand, Pablo Alonso-Coello, Yngve Falck-Ytter, Roman Jaeschke, Gunn Vist, Elie A. Akl, Piet N. Post, Susan Norris, Joerg Meerpohl, Vijay K. Shukla, Mona Nasser, Holger J. Schünemann

Journal: Journal of Clinical Epidemiology

Publisher: Elsevier BV

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