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1
by Nelson, Heidi D., Helfand, Mark
Published 2002
Agency for Healthcare Research and Quality (US)

2
by Nelson, Heidi D., Helfand, Mark
Published 2002
Agency for Healthcare Research and Quality (US)

3
by Guise, Jeanne-Marie, Mahon, Susan, Aickin, Mikel, Helfand, Mark
Published 2001
Agency for Healthcare Research and Quality (US)

4
by Guise, Jeanne-Marie, Mahon, Susan, Aickin, Mikel, Helfand, Mark
Published 2001
Agency for Healthcare Research and Quality (US)

5
by Humphrey, Linda L., Chan, Benjamin, Detlefsen, Stephanie, Helfand, Mark
Published 2002
Agency for Healthcare Research and Quality (US)

6
by Humphrey, Linda L., Chan, Benjamin, Detlefsen, Stephanie, Helfand, Mark
Published 2002
Agency for Healthcare Research and Quality (US)

7
by Nelson, Heidi D.
Published 2001
Agency for Healthcare Research and Quality (US)

8
by Nelson, Heidi D.
Published 2001
Agency for Healthcare Research and Quality (US)

9
by Helfand, Mark, Mahon, Susan, Eden, Karen B.
Published 2001
Agency for Healthcare Research and Quality (US)

10
by Helfand, Mark, Mahon, Susan, Eden, Karen B.
Published 2001
Agency for Healthcare Research and Quality (US)

11
by Helfand, Mark
Published 2004
Agency for Healthcare Research and Quality (US)

12
by Helfand, Mark
Published 2004
Agency for Healthcare Research and Quality (US)

13
by Helfand, Mark
Published 2006
Oregon Health & Science University, Evidence-Based Practice Center

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

15
by McDonagh, Marian S.
Published 2006
Oregon Health & Science University, Evidence-Based Practice Center

16
by McDonagh, Marian S.
Published 2006
Oregon Health & Science University, Evidence-Based Practice Center

17
by Chou, Roger
Published 2007
Oregon Health & Science University

18
by Chou, Roger
Published 2007
Oregon Health & Science University