Guidance for evidence-informed policies about health systems: assessing how much confidence to place in the research evidence

Authors

Lewin S; Bosch-Capblanch X; Oliver S; Akl EA; Vist GE; Lavis JN; Ghersi D; Røttingen J-A; Steinmann P; Gulmezoglu M

Journal of evidence-based medicine, Vol. 14, , pp. 789–794

2014

Elie Akl

John Lavis