[120 years of gastroenterological endoscopy--who was the first?].
Kluge
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D004945:Esophagoscopy / Q000266:history; D005762:Gastroenterology / Q000266:history*; D005773:Gastroscopy / Q000266:history; D005858:Germany; D049672:History, 19th Century
120 Jahre gastroenterologische Endoskopie--Wer war der Erste?