1
by Helfand, Mark
Published 2001
Agency for Healthcare Research and Quality (US)

2
by Nelson, Heidi D., Helfand, Mark
Published 2002
Agency for Healthcare Research and Quality (US)

3
by Nelson, Heidi D.
Published 2001
Agency for Healthcare Research and Quality (US)

4
by Humphrey, Linda L., Chan, Benjamin, Detlefsen, Stephanie, Helfand, Mark
Published 2002
Agency for Healthcare Research and Quality (US)

5
by Guise, Jeanne-Marie, Mahon, Susan, Aickin, Mikel, Helfand, Mark
Published 2001
Agency for Healthcare Research and Quality (US)

6
by Humphrey, Linda L., Chan, Benjamin, Detlefsen, Stephanie, Helfand, Mark
Published 2002
Agency for Healthcare Research and Quality (US)

7
by Nelson, Heidi D., Helfand, Mark
Published 2002
Agency for Healthcare Research and Quality (US)

8
by Nelson, Heidi D.
Published 2001
Agency for Healthcare Research and Quality (US)

9
by Helfand, Mark
Published 2001
Agency for Healthcare Research and Quality (US)

10
by Helfand, Mark, Mahon, Susan, Eden, Karen B.
Published 2001
Agency for Healthcare Research and Quality (US)

11
by Guise, Jeanne-Marie, Mahon, Susan, Aickin, Mikel, Helfand, Mark
Published 2001
Agency for Healthcare Research and Quality (US)

12
by Helfand, Mark, Mahon, Susan, Eden, Karen B.
Published 2001
Agency for Healthcare Research and Quality (US)