Are Downhill Varices an Overlooked Entity of Upper Gastrointestinal Bleedings?

por Ayvaz, M. A., Rakici, H., Allescher, H. D.
Publicado 2018

Efficacy and safety of cold snare resection in preventive screening colonoscopy

por Schett, B., Wallner, J., Weingart, V., Ayvaz, A., Richter, U., Stahl, J., Allescher, H.-D.
Publicado 2017