Langenbecks Arch Klin Chir Ver Dtsch Z Chir
November 1998
Munch Med Wochenschr
February 1958
Arch Psychiatr Nervenkr Z Gesamte Neurol Psychiatr
May 2002
Arch Psychiatr Nervenkr Z Gesamte Neurol Psychiatr
May 2002
Arch Psychiatr Nervenkr Z Gesamte Neurol Psychiatr
May 2003