Author
Cecil G. Sheps Center for Health Services Research
2
Drug Effectiveness Review Project
2
Gartlehner, Gerald
2
Hansen, Richard A.
2
Kaufer, Daniel J.
2
Lohr, Kathleen N.
2
Oregon Health & Science University Evidence-based Practice Center
2
RTI International-University of North Carolina Evidence-based Practice Center
2
University of North Carolina at Chapel Hill