21
by Alsheikh-Ali, Alawi A.
Published 2010
Dept. of Health and Human Services, Agency for Healthcare Research and Quality

22
by Chou, Roger
Published 2011
Agency for Healthcare Research and Quality

23
by Kemper, Alex R.
Published 2011
Agency for Healthcare Research and Quality

24
by McAlister, Finlay
Published 2004
U.S. Dept. of Health and Human Services, Agency for Healthcare Research and Quality

26
by Viswanathan, Meera
Published 2006
Agency for Healthcare Research and Quality, U.S. Department of Health and Human Services

27
by McAlister, Finlay
Published 2007
U.S. Dept. of Health and Human Services, Public Health Service, Agency for Healthcare Research and Quality

28
by Samson, David J.
Published 2007
U.S. Dept. of Health and Human Services, Public Health Service, Agency for Healthcare Research and Quality

29
by Wessner, Charles W.
Published 2009
National Academies Press

30
by Wessner, Charles W.
Published 2009
National Academies Press

31
by Wessner, Charles W.
Published 2007
National Academies Press

32
by Wessner, Charles W.
Published 2008
National Academies Press

33
by Kansagara, Devan
Published 2010
Department of Veterans Affairs, Health Services Research & Development Service

34
by Frink, Richard J.
Published 2002
Heart Research Foundation

35
Published 2008
Royal College of Physicians

36
by Grover, Prakash L.
Published 1999
Substance Abuse and Mental Health Services Administration

37
by Grover, Prakash L.
Published 1999
Substance Abuse and Mental Health Services Administration

38
by Gartlehner, Gerald
Published 2009
Oregon Health & Science University

39
by Gaynes, Bradley N.
Published 2005
U.S. Dept. of Health and Human Services, Public Health Service, Agency for Healthcare Research and Quality

40
by Young, David B.
Published 2010
Morgan & Claypool Life Sciences