2
by Irwig, Les
Published 2008
Hammersmith Press

3
Published 2011
National Academies Press

4
Published 2005
Agency for Healthcare Research and Quality

7
by McCormack, Lauren
Published 2013
Agency for Healthcare Research and Quality, Department of Health and Human Services, USA

8
Published 1999
National Center for Biotechnology Information

9
Published 2006
Institute for Quality and Efficiency in Health Care

10
Published 1999
Agency for Healthcare Research and Quality

11
Published 2009
National Academies Press

15
by Dyer, Edward A.
Published 2012
Department of Veterans Affairs, Health Services Research and Development Service

16
by Dusetzina, Stacie B.
Published 2014
Agency for Healthcare Research and Quality, U.S. Department of Health and Human Services

18
by Hernandez, Lyla M.
Published 2009
National Academies Press

19
by Stead, William W.
Published 2009
National Academies Press

20
Published 2011
National Center for Biotechnology Information