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Best Practice & Research. Clinical Gastroenterology|September 16, 2008
Indications and techniques for lower intestinal endoscopyG Jechart, Helmut Messmann
Journal of Cranio-Maxillo-Facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery|November 19, 2022
One year of COVID-19 pandemic: Health care workers' infection rates and economical burden in medical facilities for oral and maxillofacial surgeryElla Bachmann, Stephan Zellmer, Maria Kahn, et al.
Gastrointestinal Endoscopy Clinics of North America|July 21, 2004
Photodynamic diagnosis in the gastrointestinal tractEsther Endlicher, Helmut Messmann
Deutsche Medizinische Wochenschrift (1946)|October 20, 2020
[Abdominal Emergencies in The View of an Intensivist - Intra-abdominal Hypertension and Abdominal Compartment Syndrome]Georg Braun, Helmut Messmann
Minerva Chirurgica|May 31, 2018
Endoscopic treatment of early esophageal squamous neoplasiaCarola Fleischmann, Helmut Messmann
International Journal of Environmental Research and Public Health|January 11, 2022
One Year of the COVID-19 Pandemic in Dental Medical Facilities in Germany: A Questionnaire-Based AnalysisStephan Zellmer, Ella Bachmann, Anna Muzalyova, et al.
Zeitschrift Fur Gastroenterologie|October 23, 2021
[Impact of Covid 19 on endoscopy in Germany]Maria Kahn, Stephan Zellmer, Alanna Ebigbo, et al.
Journal of Gastrointestinal Surgery : Official Journal of the Society for Surgery of the Alimentary Tract|October 24, 2007
Esophagospinal fistula with spondylodiscitis and meningitis after esophagectomy with gastric pull-upIngo Mecklenburg, Andreas Probst, Helmut Messmann
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