21
by Forman-Hoffman, Valerie
Published 2013
Agency for Healthcare Research and Quality, U.S. Department of Health and Human Services

24
by McCormack, Lauren
Published 2013
Agency for Healthcare Research and Quality, Department of Health and Human Services, USA

25
by Gartlehner, Gerald
Published 2006
Oregon Health & Science University

28
by Viswanathan, Meera
Published 2014
Agency for Healthcare Research and Quality

29
by Harris, Russell
Published 2003
Agency for Healthcare Research and Quality (US)

31
by Viswanathan, Meera
Published 2007
U.S. Dept. of Health and Human Services, Public Health Service, Agency for Healthcare Research and Quality

32
by Gartlehner, Gerald
Published 2006
Agency for Healthcare Research and Quality

33
by Gaynes, Bradley N.
Published 2011
Agency for Healthcare Research and Quality

34
by Viswanathan, Meera
Published 2006
Agency for Healthcare Research and Quality, U.S. Department of Health and Human Services

35
by Berkman, Nancy D.
Published 2006
Agency for Healthcare Research and Quality

36
by McLean, Catherine H.
Published 2005
Agency for Healthcare Research and Quality

37
by Viswanathan, Meera
Published 2011
Agency for Healthcare Research and Quality (US)

38
by Viswanathan, Meera
Published 2009
Agency for Healthcare Research and Quality

39
by West, Suzanne L.
Published 2010
Agency for Healthcare Research and Quality