1
Published 2009
RCOG Press

2
Published 2009
World Health Organization, UNICEF

4
by Margie, Nancy Geyelin
Published 1999
National Academy Press

5
Published 2012
World Health Organization

6
Published 1998
National Academy Press

7
Published 2011
National Academies Press

8
Published 1991
National Academy Press

9
Published 2000
National Academy Press

10
Published 1992
National Academy Press

12
Published 2002
National Academies Press

14
Published 2001
National Academies Press

15
by Olson, Steve
Published 2011
National Academies Press

16
Published 1988
National Academy Press

17
by Kirkendall, Nancy J.
Published 2013
The National Academies Press

18
Published 1997
National Academy Press

19
Published 2013
Department of Maternal, Newborn, Child and Adolescent Health, World Health Organization