GRADE guidelines : 19. assessing the certainty of evidence in the importance of outcomes or values and preferences-risk of bias and indirectness

Zhang, Yuan

Alonso-Coello, Pablo

Guyatt, Gordon H.

Yepes-Nuñez, Juan José

Akl, Elie A.

Hazlewood, Glen

Pardo-Hernandez, Hector

Etxeandia-Ikobaltzeta, Itziar

Qaseem, Amir

Williams Jr., John W.

Tugwell, Peter

Flottorp, Signe

Chang, Yaping

Zhang, Yuqing

Mustafa, Reem A.

Schünemann, Holger J.

Rojas-Reyes, Maria Ximena

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