21
by Nelson, Heidi D., Helfand, Mark
Published 2002
Agency for Healthcare Research and Quality (US)

22
by Nelson, Heidi D., Nygren, Peggy, McInerney, Yasmin
Published 2004
Agency for Healthcare Research and Quality (US)

25
by Miller, Jill, Chan, Benjamin, Nelson, Heidi D.
Published 2002
Agency for Healthcare Research and Quality (US)

26
by Nelson, Heidi D.
Published 2013
Agency for Healthcare Research and Quality, U.S. Department of Health and Human Services

29
by Nelson, Heidi D.
Published 2005
Agency for Healthcare Research and Quality, U.S. Dept. of Health and Human Services

30
by Nelson, Heidi D.
Published 2001
Agency for Healthcare Research and Quality (US)

31
by Nelson, Heidi D., Nygren, Peggy, Walker, Miranda, Panoscha, Rita
Published 2006
Agency for Healthcare Research and Quality (US)

33
by Nelson, Heidi D.
Published 2005
Agency for Healthcare Research and Quality (US)

36
by Nelson, Heidi D.
Published 2016
Agency for Healthcare Research and Quality, U.S. Department of Health and Human Services

37
by Nelson, Heidi D.
Published 2015
Department of Veterans Affairs, Health Services Research & Development Service

39
by Nelson, Heidi D.
Published 2009
Agency for Healthcare Research and Quality

40
by Nelson, Heidi D.
Published 2019
Agency for Healthcare Research and Quality