Hat mitgewirkt an:
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Gastroduodenal pathology and campylobacter pylori : October 12 - 14, 1989, Ulm, FRG
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Helicobacter pylori : von der Grundlage zur Therapie ; Eigenschaften, Pathogenese, Klinik, Nachweis, Eradikation
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Diagnostic procedures in pancreatic disease : with 70 tables
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Challenges in inflammatory, preneoplastic and neoplastic diseases of the digestive system : 19 tables