1
by Schwartz, Sandi
Published 2008
National Academies Press

2
Published 2000
National Academy Press

3
Published 1999
National Academy Press

4
by Burland, Donald M.
Published 2004
National Academies Press

5
by Siegel, George J.
Published 1999
Lippincott-Raven Publishers

6
Published 2003
NCBI

7
by Masciangioli, Tina M.
Published 2011
National Academies Press

8
by Anastas, Paul T.
Published 2007
National Academies Press

9
by Heindel, Ned D.
Published 2005
National Academies Press

10
by Lin, Jennifer
Published 2012
Agency for Healthcare Research and Quality

11
Published 1999
National Academy Press

12
Published 1998
National Academies Press

13
by Purves, Dale
Published 2001
Sinauer Associates

14
by Berg, Jeremy M.
Published 2002
W.H. Freeman

15
Published 2003
National Academies Press

16
Published 2003
National Academies Press

17
Published 2003
National Academies Press

18
Published 2000
National Academy Press

19
by Michael, Adrian C.
Published 2007
CRC Press

20
Published 2012
National Academies Press