1
Published 2004
U.S. Dept. of Health and Human Services, Public Health Service, Office of the Surgeon General

2
by Kolb, Helga
Published 1995
University of Utah Health Sciences Center

3
Published 2000
Landes Bioscience

4
by McKoy, J. Nikki
Published 2010
Agency for Healthcare Research and Quality

5
Published 2011
National Clinical Guideline Centre at the Royal College of Physicians

7
by Viswanathan, Meera
Published 2008
Agency for Healthcare Research and Quality, U.S. Department of Health and Human Services

8
by Hougan, Matthew
Published 2008
National Academies Press

9
by Nussey, Stephen
Published 2001
Bios

10
Published 2007
The Institutes, 2007

11
by Pray, Leslie A.
Published 2010
National Academies Press

13
Published 1999
National Academy Press

14
Published 2013
Canadian Agency for Drugs and Technologies in Health

15
by Patlak, Margie
Published 2012
National Academies Press

16
by Pate, Russell R.
Published 2012
National Academies Press

17
by Hodge, William
Published 2005
Agency for Healthcare Research and Quality

18
by Chung, Mei
Published 2009
Agency for Healthcare Research and Quality

20
by Khalil, Raouf A.
Published 2010
Morgan & Claypool Life Sciences