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Journal Article
Knuth, J., Kunze, D. E., Benz, C., Bulian, D. R., Heiss, M. M., Lefering, R., Saad, S., Saers, T. and Krakamp, B. (2013). Is the Transnasal Access for Esophagogastroduodenoscopy in Routine Use Equal to the Transoral Route? A Prospective, Randomized Trial. Z. Gastroent., 51 (12). S. 1369 - 1377. STUTTGART: GEORG THIEME VERLAG KG. ISSN 1439-7803