Fig. 1From: Impact of Helicobacter pylori colonization density and depth on gastritis severityRepresentative images of different colonization densities and depths of H. pylori. A grade I and degree I (magnification 200 ×); B grade II and degree II (magnification 200 ×); C grade III and degree III (magnification 200 ×); D grade IV and degree III (magnification 200 ×)Back to article page