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Deutsche Medizinische Wochenschrift (1946)|July 10, 1987
[Esophagotracheal fistula caused by an ulcer in heterotopic gastric mucosa of the cervical esophagus. Diagnosis and endoscopic therapy]B Kohler, G Köhler, J F Riemann
Fortschritte Der Medizin|March 16, 1978
[Polyneuropathy, adrenal insufficiency and diarrhea of unknown origin]J F Riemann, W Rösch, V Becker
Fortschritte Der Medizin|February 24, 1983
[Gastrointestinal manifestation of malignant systemic diseases]J F Riemann, U Hoerder, W Rödl
Deutsche Medizinische Wochenschrift (1946)|November 14, 2008
[Interval colon cancer and possible causes]M Bechtler, A Eickhoff, J F Riemann
ISRN Gastroenterology|November 24, 2011
Prevalence of exocrine pancreatic insufficiency in women with obesity syndrome: assessment by pancreatic fecal elastase 1J Teichmann, J F Riemann, U Lange
Endoscopy|August 8, 2001
Do we need the overtube for push-enteroscopy?C Benz, R Jakobs, J F Riemann
Der Internist|July 3, 2004
[Eradication and chronic acid suppression. Advances and pseudo-advances]S Turi, D Schilling, J F Riemann
Zeitschrift Fur Gastroenterologie|January 1, 1994
[Barrett esophagus with severe epithelial dysplasia--always surgery? A case report]M Maier, K Wegener, J F Riemann
European Journal of Medical Research|June 19, 2008
Gastric fundic gland polyps and colonic polyps - is there a link, really?Joachim Teichmann, U Weickert, J F Riemann
Leber, Magen, Darm|April 1, 1988
[Polyposis of the stomach caused by multiple xanthomas]C Ginsbach, K Wegener, J F Riemann
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