21
by Thaler, Kylie J.
Published 2012
Oregon Health & Science University

22
by Gartlehner, Gerald
Published 2011
Oregon Health & Science University

24
by McDonagh, Marian S., Eden, Karen B., Peterson, Kim
Published 2005
Oregon Health & Science University

25
by Jonas, Dan
Published 2008
Oregon Health & Science University

27
by Jonas, Dan
Published 2011
Oregon Health & Science University

28
by Gartlehner, Gerald
Published 2007
RTI-UNC Evidence-based Practice Center, Cecil G. Sheps Center for Health Services Research, University of North Carolina at Chapel Hill

29
by Gartlehner, Gerald
Published 2008
Oregon Health & Science University

30
by Selover, Dana
Published 2008
Oregon Health & Science University

33
by McDonagh, Marian S.
Published 2009
Oregon Health & Science University

34
by Norris, Susan L.
Published 2008
Oregon Health & Science University

36
by Chou, Roger, Peterson, Kim
Published 2005
Oregon Health & Science University

37
by Gartlehner, Gerald
Published 2006
Oregon Health & Science University

38
by Jonas, Dan
Published 2011
Oregon Health & Science University

39
by Peterson, Kim
Published 2010
Oregon Health & Science University

40
by Helfand, Mark
Published 2009
Oregon Health & Science University