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Endoscopy|September 1, 1980
Experiences with the long standing nasobiliary tube in biliary diseasesD Wurbs, J Phillip, M Classen
Endoscopy|September 1, 1981
A new method for the endoscopic determination of gastrointestinal ulcer areaH Dancygier, D Wurbs, M Classen
Endoscopy|September 1, 1989
Self-expanding biliary stents: preliminary clinical experienceH Neuhaus, F Hagenmüller, M Classen
Medizinische Klinik (Munich, Germany : 1983)|October 15, 1994
[Substitution of factor XIII concentrate in treatment refractory ulcerative colitis. A prospective pilot study]R Lorenz, P Born, M Classen
Deutsche Medizinische Wochenschrift (1946)|November 13, 1981
[Endoscopic determination of the size of gastrointestinal ulcers (author's transl)]H Dancygier, D Wurbs, M Classen
Leber, Magen, Darm|December 1, 1977
[Tolerance of carbenoxolone sodium in elderly patients (author's transl)]F Hagenmüller, D Wurbs, M Classen
Endoscopy|October 1, 1992
Evaluation of laparoscopic cholecystotomy in the treatment of gallbladder stonesE Frimberger, C Zillinger, M Classen
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