1
by Helfand, Mark, Mahon, Susan, Eden, Karen B.
Published 2001
Agency for Healthcare Research and Quality (US)

2
by Helfand, Mark
Published 2004
Agency for Healthcare Research and Quality (US)

3
by Smith, M. E. Beth
Published 2011
Oregon Health & Science University

4
by Helfand, Mark
Published 2009
Oregon Health & Science University

5
by Helfand, Mark
Published 2009
Oregon Health & Science University

6
by Helfand, Mark
Published 2006
Oregon Health & Science University, Evidence-Based Practice Center

7
by McDonagh, Marian S.
Published 2006
Oregon Health & Science University, Evidence-Based Practice Center

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

10
by Helfand, Mark
Published 2005
Oregon Health & Science University, Evidence-Based Practice Center

11
by Helfand, Mark
Published 2006
Oregon Health & Science University, Evidence-Based Practice Center

12
by Chou, Roger, Clark, Elizabeth, Helfand, Mark
Published 2004
Agency for Healthcare Research and Quality

14
by Helfand, Mark
Published 2007
Oregon Health & Science University

15
by Shipman, Scott, Helfand, Mark, Nygren, Peggy, Bougatsos, Christina
Published 2006
Agency for Healthcare Research and Quality (US)

16
by Chandler, Chris
Published 2005
Oregon Health & Science University, Evidence-Based Practice Center

17
by Nelson, Heidi D.
Published 2001
Agency for Healthcare Research and Quality (US)

18
by Helfand, Mark
Published 2001
Agency for Healthcare Research and Quality (US)

19
by Humphrey, Linda L., Chan, Benjamin, Detlefsen, Stephanie, Helfand, Mark
Published 2002
Agency for Healthcare Research and Quality (US)

20
by Nelson, Heidi D., Helfand, Mark
Published 2002
Agency for Healthcare Research and Quality (US)