1
by Maurer, Wilhelm
Published 1996
Vandenhoeck & Ruprecht

5
by Benrath, Gustav A.
Published 1998
Vandenhoeck & Ruprecht

10
by Rohde-Dachser, Christa
Published 1998
Vandenhoeck und Ruprecht

11
by Burggraf, Jutta
Published 1996
Schöningh

15
by Ludin, Norberto
Published 2002
Documentary Educational Resources

16
by Asch, Patsy
Published 1983
Documentary Educational Resources

17
by Leslie, Deepak
Published 2004
Documentary Educational Resources

18
by Zeller, Anne
Published 1997
Documentary Educational Resources

19
by Hepfer, Karl
Published 1997
Vandenhoeck und Ruprecht

20
Published 2010
National Institute for Health and Clinical Excellence