1
by Helfand, Mark
Published 2004
Agency for Healthcare Research and Quality (US)

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

3
by Helfand, Mark
Published 2006
Oregon Health & Science University, Evidence-Based Practice Center

4
by Helfand, Mark
Published 2006
Oregon Health & Science University, Evidence-Based Practice Center

5
by McDonagh, Marian S.
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

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

11
by Nelson, Heidi D., Helfand, Mark
Published 2002
Agency for Healthcare Research and Quality (US)

12
by Nelson, Heidi D., Helfand, Mark
Published 2002
Agency for Healthcare Research and Quality (US)

15
by Humphrey, Linda L., Chan, Benjamin, Detlefsen, Stephanie, Helfand, Mark
Published 2002
Agency for Healthcare Research and Quality (US)

16
by Humphrey, Linda L., Chan, Benjamin, Detlefsen, Stephanie, Helfand, Mark
Published 2002
Agency for Healthcare Research and Quality (US)

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

18
by Nelson, Heidi D.
Published 2001
Agency for Healthcare Research and Quality (US)

19
by Helfand, Mark, Mahon, Susan, Eden, Karen B.
Published 2001
Agency for Healthcare Research and Quality (US)

20
by Helfand, Mark, Mahon, Susan, Eden, Karen B.
Published 2001
Agency for Healthcare Research and Quality (US)