2
Published 1998
NCBI

3
by Knobler, Stacey
Published 2005
National Academies Press

8
by Fukuda, Keiji
Published 2009
World Health Organization

9
by Schaeffer, Leonard D.
Published 2009
National Academies Press

10
Published 2008
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13
by Bulger, Ruth Ellen
Published 1995
National Academy Press

14
by Butler, Adrienne Stith
Published 2009
National Academies Press

17
Published 2008
National Academies Press

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

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by Andrews, Lori B.
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National Academy Press