Endoscopic Diagnosis of Gastritis is Dependant on the Aetiology of Disease – Data from a Prospective Central European Multicenter Study Applying High-Resolution Endoscopy - Wolf, E; Langner, C; Plieschnegger, W; Höss, G; Eherer, A; Rehak, P; Vieth, M; Schmack, B; Wigginghaus, B (Zeitschrift für Gastroenterologie, 2013)