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