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Endoscopy|July 6, 2007
Prospective evaluation of the macroscopic types and location of early Barrett's neoplasia in 380 lesionsO Pech, L Gossner, H Manner, et al.
Praxis|December 19, 1998
[Cholestasis: interventional therapy]C Ell
Endoscopic Surgery and Allied Technologies|June 1, 1993
Intracorporeal retrograde choledocholithotripsy or ESWL as a therapy for choledocholithiasisC Ell
La Revue Du Praticien|June 15, 1992
[Contact litholysis and contact lithotripsy of symptomatic biliary calculi]C Ell
Praxis|November 15, 1994
[Current use of lasers in gastroenterology]C Ell
Zeitschrift Fur Gastroenterologie|February 1, 1993
[Laser-induced intracorporeal lithotripsy of bile duct calculi]C Ell
Praxis|April 26, 2007
[Innovative therapeutic approaches in endoscopy]C Ell
Zeitschrift Fur Gastroenterologie|March 26, 1999
[Endoscopic therapy of Barrett esophagus--a supplement to drug and surgical options?]C Ell
Medizinische Klinik (Munich, Germany : 1983)|September 25, 1998
[Changes in and acceptance of surgical and noninvasive therapy procedures in cholecystolithiasis]H T Schneider, E Schell, F Wenzel, et al.
Gut|May 15, 2003
Improving endoscopic resolution and sampling: fluorescence techniquesC Ell
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