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Author

Hans R. Koelz

4 books found

Cover of Ulkusfibel

Ulkusfibel

Hans R. Koelz, Claude Muller, Stefan Müller-Lissner · First published 1996

Cover of Gastroskopiefibel

Gastroskopiefibel

Peter Bauerfeind, Remy Meier, Christoph Beglinger, Hans R. Koelz, M. Krebser · First published 1994

Cover of Dyspepsiealmanach

Dyspepsiealmanach

Piero Scalfaro, Hans R. Koelz, Andre L. Blum · First published 1991

Cover of Dyspepsiefibel

Dyspepsiefibel

Stefan Müller-Lissner, Hans R. Koelz · First published 1990