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

5
by Chou, Roger
Published 2011
Agency for Healthcare Research and Quality

8
by Chou, Roger
Published 2012
Agency for Healthcare Research and Quality

12
by Chou, Roger
Published 2019
Agency for Healthcare Research and Quality, U.S. Department of Health and Human Services

16
by Chou, Roger
Published 2014
Agency for Healthcare Research and Quality

17
by Chou, Roger
Published 2013
Agency for Healthcare Research and Quality

18
by Chou, Roger, Helfand, Mark, Peterson, Kim, Dana, Tracy
Published 2006
Agency for Healthcare Research and Quality (US)

19
by Chou, Roger, Clark, Elizabeth, Helfand, Mark
Published 2004
Agency for Healthcare Research and Quality

20
by Chou, Roger, Korthuis, P. Todd, Huffman, Laurie, Smits, Ariel K.
Published 2005
Agency for Healthcare Research and Quality (US)