1
by Chou, Roger
Published 2006
U.S. Dept. of Health and Human Services, Agency for Healthcare Research and Quality

3
by Helfand, Mark
Published 2009
Agency for Healthcare Research and Quality

5
by O'Connor, Elizabeth A.
Published 2009
Agency for Healthcare Research and Quality (US)

9
by O'Haire, Christen
Published 2011
Agency for Healthcare Research and Quality

10
by LeBlanc, Erin
Published 2011
Agency for Healthcare Research and Quality

11
by Chou, Roger
Published 2011
Agency for Healthcare Research and Quality

17
by Hickam, David H.
Published 2013
Agency for Healthcare Research and Quality, U.S. Department of Health and Human Services

18
by Sun, Xin
Published 2012
Agency for Healthcare Research and Quality, U.S. Department of Health and Human Services

20
by Chou, Roger
Published 2012
Agency for Healthcare Research and Quality