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1
by Helfand, Mark
Published 2004
Agency for Healthcare Research and Quality (US)
Subjects: ...Randomized Controlled Trials as Topic...

2
by Humphrey, Linda L., Chan, Benjamin, Detlefsen, Stephanie, Helfand, Mark
Published 2002
Agency for Healthcare Research and Quality (US)
Subjects: ...Clinical Trials as Topic...

3
by Helfand, Mark
Published 2004
Agency for Healthcare Research and Quality (US)
..., reference lists, and a local database of thyroid-related articles. STUDY SELECTION: We selected controlled...

4
by Nelson, Heidi D., Helfand, Mark
Published 2002
Agency for Healthcare Research and Quality (US)

5
by Nelson, Heidi D., Helfand, Mark
Published 2002
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 Guise, Jeanne-Marie, Mahon, Susan, Aickin, Mikel, Helfand, Mark
Published 2001
Agency for Healthcare Research and Quality (US)
... to 1999, the Cochrane Controlled Trials Register and Library, and national experts. STUDY SELECTION: All...

8
by Guise, Jeanne-Marie, Mahon, Susan, Aickin, Mikel, Helfand, Mark
Published 2001
Agency for Healthcare Research and Quality (US)
... to 1999, the Cochrane Controlled Trials Register and Library, and national experts. STUDY SELECTION: All...

9
by Nelson, Heidi D.
Published 2001
Agency for Healthcare Research and Quality (US)
...Our search found too few studies on pregnant women to create evidence tables, although pertinent...

10
by Nelson, Heidi D.
Published 2001
Agency for Healthcare Research and Quality (US)
...Our search found too few studies on pregnant women to create evidence tables, although pertinent...

11
by Chou, Roger
Published 2016
Agency for Healthcare Research and Quality
... trials, case-control studies, cohort studies, and good-quality systematic reviews. RESULTS: No study...

12
by Chou, Roger
Published 2016
Agency for Healthcare Research and Quality
... trials, case-control studies, cohort studies, and good-quality systematic reviews. RESULTS: No study...

13
by Helfand, Mark
Published 2001
Agency for Healthcare Research and Quality (US)
...STUDY SELECTION: We included controlled and observational studies of (1) the accuracy, yield...

14
by Helfand, Mark
Published 2001
Agency for Healthcare Research and Quality (US)
...STUDY SELECTION: We included controlled and observational studies of (1) the accuracy, yield...

15
by Helfand, Mark, Carson, Susan
Published 2008
Agency for Healthcare Research and Quality (US)
...: Randomized controlled trials and observational studies published between December 1999 and February 2005...

16
by Helfand, Mark, Carson, Susan
Published 2008
Agency for Healthcare Research and Quality (US)
...: Randomized controlled trials and observational studies published between December 1999 and February 2005...

17
by Chou, Roger, Clark, Elizabeth, Helfand, Mark
Published 2004
Agency for Healthcare Research and Quality
... are lacking. Most antiviral trials evaluated patients with more severe liver disease. Although counseling...

18
by Chou, Roger, Clark, Elizabeth, Helfand, Mark
Published 2004
Agency for Healthcare Research and Quality
... are lacking. Most antiviral trials evaluated patients with more severe liver disease. Although counseling...

19
by Helfand, Mark
Published 2009
Agency for Healthcare Research and Quality

20
by Shipman, Scott, Helfand, Mark, Nygren, Peggy, Bougatsos, Christina
Published 2006
Agency for Healthcare Research and Quality (US)
..., osteoarthritis, and limitations in activity. Screening for DDH has been practiced for over 40 years...