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Endoscopy and biopsy in gastroenterology Technique and Indications Edited by. P. FRUHMORGEN and M. CLASSENSpringer Verlag Berlin Heidelberg New York
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Fruhmorgen, P., Classen, M. Endoscopy and biopsy in gastroenterology technique and indications. Acta Endosc 11, XXV (1981). https://doi.org/10.1007/BF02967292
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DOI: https://doi.org/10.1007/BF02967292