330 pubs · 10,135 cites · h-index 52
University of Duisburg-Essen
1980 - 2012
Essen University Hospital
1981 - 2008
University of Freiburg
1989 - 2005
Ludwig-Maximilians-Universität München
1962 - 2003
University of Münster
1971 - 1999