1
Published 2006
National Library of Medicine, NCBI

2
by Rohrmann, G. F.
Published 2008
NCBI

3
Published 2001
NCBI]

4
by Vakatov, Denis
Published 2003
National Center for Biotechnology Information, National Library of Medicine, NIH

5
Published 2004
National Center for Biotechnology Information

6
by Dean, Laura
Published 2007
NLM, NCBI

7
by Riegert-Johnson, Douglas
Published 2009
NCBI

8
Published 2010
National Center for Biotechnology Information

9
Published 2011
National Center for Biotechnology Information

10
Published 2009
National Center for Biotechnology Information

11
by Dean, Laura
Published 2004
NCBI

12
Published 1999
National Center for Biotechnology Information

13
by Ebert, Dieter
Published 2005
National Library of Medicine (US), National Center for Biotechnology Information

14
by Bromfield, Edward B.
Published 2006
American Epilepsy Society

15
by Romiti, Monica
Published 2005
National Center for Biotechnology Information

16
Published 2010
National Center for Biotechnology Information

17
Published 1998
NCBI

18
Published 2002
NCBI

19
by Carrington, Mary
Published 2003
National Center for Biotechnology Information, National Library of Medicine

20
Published 2004
NCBI