2
by Borck, Cornelius
Published 2005
Fink

3
by Gottschalk-Mazouz, Niels
Published 2008
Vandenhoeck & Ruprecht

4
by Bush, David E.
Published 2005
Agency for Healthcare Research and Quality

5
Published 2010
British Psychological Society

6
Published 1999
National Academy Press

7
Published 2014
National Academies Press

8
by Buchholz, Michael B.
Published 1993
Vandenhoeck & Ruprecht

9
by Rauchfleisch, Udo
Published 1981
Vandenhoeck & Ruprecht

10
Published 2012
The British Psychological Society and The Royal College of Psychiatrists