by Heise, Walter, Arastéh, Keikawus, Mostertz, Peter, Skörde, Jürgen, Schmidt, Wolfgang, Obst, Christopher, Koeppen, Michael, Weiss, Rudolf, Grosse, Gernot, Niedobitek, Fred, L’Age, Manfred
Published in Digestion (01.01.1997)

by Albrecht, H, Skörde, J, Arasteh, K, Heise, W, Stellbrink, H J, Grosse, G, L'Age, M
Published in Scandinavian journal of infectious diseases (1995)