1
Published 2008
National Academies Press

2
Published 2000
National Academy Press

3
Published 1992
National Academies Press

4
Published 1991
National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health

5
Published 2011
National Center for Biotechnology Information

6
Published 2009
National Center for Biotechnology Information (US)

7
Published 2005
National Center for Biotechnology Information

8
by Romiti, Monica
Published 2005
National Center for Biotechnology Information

9
Published 2010
National Center for Biotechnology Information

10
Published 2012
National Academies Press

11
by Lustig, Tracy A.
Published 2013
National Academies Press

12
Published 2009
National Academies Press

13
by Wessner, Charles W.
Published 2013
National Academies Press

14
Published 2013
The National Academies Press

15
Published 1999
National Academy Press

16
Published 2014
National Academies Press

17
Published 2001
National Academies Press

18
Published 1996
National Academy Press

20
by Gelijns, Annetine
Published 1989
National Academies Press