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Zeitschrift Fur Gastroenterologie|June 1, 1991
[Self-expanding and expandable bile duct prostheses]H Neuhaus, F Hagenmüller, M Classen
Gastrointestinal Endoscopy|March 1, 1990
Endoscopic ultrasonography in the evaluation of colon and rectal diseaseT Rösch, R Lorenz, M Classen
Deutsche Medizinische Wochenschrift (1946)|April 23, 1993
[The benefits and risks of percutaneous transhepatic cholangioscopy]H Neuhaus, W Hoffmann, M Classen
Scandinavian Journal of Gastroenterology. Supplement|January 1, 1984
Detection of biliary stones by means of endosonographyW D Strohm, W Kurtz, M Classen
Scandinavian Journal of Gastroenterology. Supplement|January 1, 1984
Detection of atrial and ventricular septum defects by transoesophageal two-dimensional echocardiography with a mechanical sectorscannerN Reifart, W D Strohm, M Classen
Scandinavian Journal of Gastroenterology. Supplement|January 1, 1984
Pancreatic pseudocysts and tumors in endosonographyM Classen, W D Strohm, W Kurtz
Deutsche Medizinische Wochenschrift (1946)|August 25, 1978
[Crohn's disease: course and prognosis in 169 patients (author's transl)]M Mörl, H G Zöberlein, M Classen
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