1
by Gartlehner, Gerald
Published 2009
Oregon Health & Science University

2
by Chou, Roger
Published 2011
Agency for Healthcare Research and Quality

3
by Chou, Roger, Helfand, Mark, Peterson, Kim, Dana, Tracy
Published 2006
Agency for Healthcare Research and Quality (US)

4
by Gartlehner, Gerald
Published 2007
RTI-UNC Evidence-based Practice Center, Cecil G. Sheps Center for Health Services Research, University of North Carolina at Chapel Hill

5
by Chou, Roger, Helfand, Mark, Peterson, Kim, Dana, Tracy
Published 2006
Agency for Healthcare Research and Quality (US)

6
by Gartlehner, Gerald
Published 2007
RTI-UNC Evidence-based Practice Center, Cecil G. Sheps Center for Health Services Research, University of North Carolina at Chapel Hill

7
by Chou, Roger
Published 2011
Agency for Healthcare Research and Quality

8
by Gartlehner, Gerald
Published 2009
Oregon Health & Science University