1
by Helfand, Mark
Published 2001
Oregon Health & Science University, Evidence-Based Practice Center

2
by Helfand, Mark
Published 2006
Oregon Health & Science University, Evidence-Based Practice Center

3
by McDonagh, Marian S.
Published 2006
Oregon Health & Science University, Evidence-Based Practice Center

4
by Smith, M. E. Beth
Published 2011
Oregon Health & Science University

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

6
by Chou, Roger, Clark, Elizabeth, Helfand, Mark
Published 2004
Agency for Healthcare Research and Quality

7
by Helfand, Mark
Published 2007
Oregon Health & Science University

8
by Chou, Roger
Published 2007
Oregon Health & Science University

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

11
by Chandler, Chris
Published 2005
Oregon Health & Science University, Evidence-Based Practice Center

13
by Helfand, Mark
Published 2005
Oregon Health & Science University, Evidence-Based Practice Center

14
by Helfand, Mark
Published 2006
Oregon Health & Science University, Evidence-Based Practice Center

15
by Helfand, Mark
Published 2008
Department of Veterans Affairs, Health Services Research & Development Service

16
by Kansagara, Devan
Published 2008
Department of Veterans Affairs, Health Services Research & Development Service

17
by Helfand, Mark
Published 2009
Agency for Healthcare Research and Quality

18
by Helfand, Mark
Published 2004
Agency for Healthcare Research and Quality (US)

19
by Helfand, Mark
Published 2009
Oregon Health & Science University

20
by Helfand, Mark
Published 2008
Department of Veterans Affairs, Health Services Research & Development Service