title: [The endoscopy of the gastroduodenal ulcer (author's transl)].
mesh_terms: D004381:Duodenal Ulcer / Q000175:diagnosis; D004724:Endoscopy; D005336:Fiber Optic Technology; D005773:Gastroscopy; D006801:Humans; D010437:Peptic Ulcer / Q000175:diagnosis*; D013276:Stomach Ulcer / Q000175:diagnosis
vernacular_title: Die Endoskopie des gastroduodenalen Ulkus