1
by Balk, Ethan
Published 2005
Agency for Healthcare Research and Quality

2
by Balk, Ethan
Published 2011
Agency for Healthcare Research and Quality

3
by Balk, Ethan
Published 2006
U.S. Dept. of Health and Human Services, Agency for Healthcare Research and Quality

6
by Balk, Ethan
Published 2012
Agency for Healthcare Research and Quality, U.S. Department of Health and Human Services

7
by Balk, Ethan, Earley, Amy, Hadar, Nira, Shah, Nirav
Published 2014
Agency for Healthcare Research and Quality, U.S. Department of Health and Human Services

10
by Balk, Ethan
Published 2012
Agency for Healthcare Research and Quality

11
by Balk, Ethan
Published 2006
Agency for Healthcare Research and Quality

14
by Balk, Ethan
Published 2016
Agency for Healthcare Research and Quality

18
by Balk, Ethan
Published 2016
Agency for Healthcare Research and Quality