1
by Helfand, Mark
Published 2008
Department of Veterans Affairs, Health Services Research & Development Service

2
by Kansagara, Devan
Published 2008
Department of Veterans Affairs, Health Services Research & Development Service

3
by Helfand, Mark
Published 2009
Agency for Healthcare Research and Quality

4
by Chandler, Chris
Published 2005
Oregon Health & Science University, Evidence-Based Practice Center

5
by Helfand, Mark
Published 2006
Oregon Health & Science University, Evidence-Based Practice Center

6
by McDonagh, Marian S.
Published 2006
Oregon Health & Science University, Evidence-Based Practice Center

7
by Chou, Roger
Published 2007
Oregon Health & Science University

9
by Helfand, Mark
Published 2007
Oregon Health & Science University

10
by Helfand, Mark
Published 2009
Oregon Health & Science University

11
by Helfand, Mark
Published 2005
Oregon Health & Science University, Evidence-Based Practice Center

12
by Helfand, Mark
Published 2006
Oregon Health & Science University, Evidence-Based Practice Center

14
by Smith, M. E. Beth
Published 2011
Oregon Health & Science University

15
by Chou, Roger, Helfand, Mark, Peterson, Kim, Dana, Tracy
Published 2006
Agency for Healthcare Research and Quality (US)

16
by Chou, Roger, Clark, Elizabeth, Helfand, Mark
Published 2004
Agency for Healthcare Research and Quality

17
by Helfand, Mark
Published 2004
Agency for Healthcare Research and Quality (US)

18
by Helfand, Mark
Published 2001
Oregon Health & Science University, Evidence-Based Practice Center

20
by Chou, Roger, Clark, Elizabeth, Helfand, Mark
Published 2004
Agency for Healthcare Research and Quality