6
by Chou, Roger
Published 2012
Agency for Healthcare Research and Quality

9
Published 2006
Agency for Healthcare Research and Quality (US)

10
by Michael, Yvonne L.
Published 2010
Agency for Healthcare Research and Quality

14
by Whitlock, Evelyn P.
Published 2004
Agency for Healthcare Research and Quality (US)

18
by Chou, Roger
Published 2012
Agency for Healthcare Research and Quality

19
Published 2006
Agency for Healthcare Research and Quality (US)