22
by Hartmann, Katherine E., Hall, Susan A., Nanda, Kavita, Boggess, John F.
Published 2002
Agency for Healthcare Research and Quality (US)

28
Published 2007
Agency for Healthcare Research and Quality

31
by Lin, Kenneth, Barton, Mary B.
Published 2007
Agency for Healthcare Research and Quality, U.S. Department of Health and Human Services

32
by Hartling, Lisa
Published 2012
Agency for Healthcare Research and Quality

33
by Chou, Roger
Published 2012
Agency for Healthcare Research and Quality

36
by Humphrey, Linda L., Johnson, Mark, Teutsch, Steven M.
Published 2004
Agency for Healthcare Research and Quality (US)

37
Published 2006
Agency for Healthcare Research and Quality (US)

38
Published 1996
US Department of Health and Human Services