4
by Haney, Elizabeth M., Huffman, Laurie, Bougatsos, Christina, Freeman, Michele
Published 2007
Agency for Healthcare Research and Quality (US)

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

11
Published 2006
Agency for Healthcare Research and Quality (US)

13
by Carson, Susan
Published 2011
Oregon Health & Science University

16
by Helfand, Mark
Published 2008
Department of Veterans Affairs, Health Services Research & Development Service

17
by Chou, Roger, Smits, Ariel K., Huffman, Laurie, Korthuis, P. Todd
Published 2005
Agency for Healthcare Research and Quality (US)

18
by Nelson, Heidi D., Nygren, Peggy, McInerney, Yasmin
Published 2004
Agency for Healthcare Research and Quality (US)

19
by Chou, Roger, Helfand, Mark, Peterson, Kim, Dana, Tracy
Published 2006
Agency for Healthcare Research and Quality (US)

20
by Chou, Roger, Clark, Elizabeth, Helfand, Mark
Published 2004
Agency for Healthcare Research and Quality