1
by Goldman, Lynn
Published 2005
National Academies Press

2
Published 2015
National Academies Press

5
by Liverman, Catharyn T.
Published 1998
National Academy Press

9
by Watson, Ann Y.
Published 1988
National Academy Press

10
Published 2012
World Health Organization

13
Published 2001
National Academies Press (US)

15
Published 1991
National Academy Press

16
Published 2010
Department of Reproductive Health and Research, World Health Organization

19
by Coble, Yank D.
Published 2009
National Academies Press