1
Published 2014
Canadian Agency for Drugs and Technologies in Health

2
by Choffnes, Eileen R.
Published 2010
National Academies Press

3
by Fukuda, Keiji
Published 2009
World Health Organization

4
Published 2010
World Health Organization

5
Published 2008
National Academies Press

6
by Butler, Adrienne Stith
Published 2009
National Academies Press

8
Published 1988
National Academy Press

9
Published 2004
National Academies Press

10
by Schaeffer, Leonard D.
Published 2009
National Academies Press

11
Published 2014
National Academies Press

12
by Grant, James P.
Published 1994
National Academy Press

13
by Bulger, Ruth Ellen
Published 1995
National Academy Press

14
Published 1988
National Academies Press (US)

15
Published 2014
National Academies Press (US)

16
by Pawelczyk, James A.
Published 2012
National Academies Press

17
Published 1991
National Academy Press

18
by Hanna, Kathi E.
Published 1991
National Academy Press

19
Published 2001
National Academy Press

20
Published 1998
NCBI