P. RUSSE, REIMS, France
C. RIVIERE, PARIS, France
M. van Waas,P. de Kok, MAARSSEN, Netherlands
Dr. S. Hümmeke, Osnabrück, Germany
P. Malo, Lisbon, Portugal
R. Hebestreit, Frankfurt, Germany
D. Lemke, Berlin, Germany
NobelProceJ. van Meurs, Houten, Netherlands
F. Tromp, HOUTEN, Netherlands
M. Gesele, Stockholm, Germany
U. Wurmstich, Osnabrück, Germany
Dr. med. dE. Behrens, Rostock, Germany
F. Furmuli,D. Wagner, Kamen, Germany
Dr. C. Sliwowski, Düsseldorf, Germany
conférenciB. Cannas,L. GILLOT, PARIS, France
J. DUMOUCHEL, MARSEILLE, France
M. Gabai, Groot-Bijgaarden, Belgium