title: [Endoscopic diagnosis of early cancers in the upper gastrointestinal tract].
authors.affiliation: Klinik für Innere Medizin und Gastroenterologie, St. Hildegardis-Krankenhaus, Katholisches Klinikum Mainz.
authors.forename: C
authors.initials: C
authors.lastname: Hofmann
authors.forename: M
authors.initials: M
authors.lastname: Jung
mesh_terms: D006801:Humans; D009369:Neoplasms; D041742:Upper Gastrointestinal Tract