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Der Internist|September 18, 2007
[Techniques and complications in post-interventional and long-term enteral nutrition]J Teichmann, J F Riemann
Zeitschrift Fur Gastroenterologie|April 1, 1991
[Extracorporeal piezoelectric and intracorporeal electrohydraulic lithotripsy in problematic bile duct calculi]J Weber, J F Riemann
Hepato-Gastroenterology|June 1, 1991
Upper GI-bleeding--value and consequences of emergency endoscopy and endoscopic treatmentB Kohler, J F Riemann
European Journal of Gastroenterology & Hepatology|June 1, 1997
Laser fragmentation of pancreatic duct stones using a rhodamine laser with an automatic stone-tissue detection system. Basic in-vitro studiesR Jakobs, J F Riemann
Zeitschrift Fur Gastroenterologie|March 7, 1998
[The change in laser usage in gastroenterology--the status in 1997]T Zöpf, J F Riemann
Zentralblatt Fur Chirurgie|May 6, 2011
[Diverticulitis--conservative therapy]A Eickhoff, J F Riemann
Praxis|March 6, 1999
[Endoscopy 2000]T Zöpf, J F Riemann
Hepato-Gastroenterology|June 17, 1999
The role of endoscopic Doppler-sonographyB Kohler, J F Riemann
Gastroenterology Clinics of North America|September 30, 1999
The role of endoscopy in acute recurrent and chronic pancreatitis and pancreatic cancerR Jakobs, J F Riemann
MMW Fortschritte Der Medizin|November 11, 2003
[Prevention of colorectal cancer still not adequately accepted. Encourage early detection!]A Eickhoff, J F Riemann
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