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Fortschritte Der Medizin|March 30, 1978
[Malignant tumors of the gastrointestinal tract and their early diagnosis]J F Riemann
Fortschritte Der Medizin|August 25, 1977
[Acute pancreatitis: diagnosis and therapy in general practice]J F Riemann
Fortschritte Der Medizin|May 28, 1981
[Internist therapy of cholelithiasis]J F Riemann
Zeitschrift Fur Gastroenterologie|June 1, 1988
[AIDS and gastroenterologic endoscopy. Survey of current practice]J F Riemann, B Kohler
Kongressband. Deutsche Gesellschaft Fur Chirurgie. Kongress|February 5, 2002
[Bleeding in the lower intestinal tract: indications and results of endoscopic therapy]M Hahne, J F Riemann
Gastrointestinal Endoscopy|May 1, 1993
Endoscopy of the pancreatic duct: value of different endoscope typesJ F Riemann, B Kohler
Deutsche Medizinische Wochenschrift (1946)|December 22, 1992
[Hemosuccus pancreaticus due to a pressure ulcer in pancreatolithiasis]R Jakobs, J F Riemann
Endoscopy|May 1, 1978
Synopsis of endoscopic and related morphological findings in Whipple's diseaseJ F Riemann, W Rösch
Der Internist|April 8, 2006
[The management of bleeding ulcers]U Weickert, J F Riemann
Deutsche Medizinische Wochenschrift (1946)|February 27, 2009
[Pancreas duct stenosis of unknown origin]F Schorr, J F Riemann
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