1
by Pool, Robert
Published 2000
National Academy Press

2
Published 2005
National Academies Press

3
Published 2015
National Center for Biotechnology Information (US)

5
Published 2018
National Center for Biotechnology Information (US)

6
by Alper, Joe
Published 2018
The National Academies Press

9
by Aspden, Philip
Published 2004
The National Academies Press

10
Published 2015
National Academies Press (US)

11
Published 2015
National Academies Press

12
Published 2017
National Center for Biotechnology Information (US)

15
Published 2015
National Academies Press

16
Published 2014
National Academies Press

17
Published 2002
NCBI

18
by Koonin, Eugene V.
Published 2003
Kluwer Academic

20
by Dyer, Edward A.
Published 2012
Department of Veterans Affairs, Health Services Research and Development Service