History of Helicobacter pylori, duodenal ulcer, gastric ulcer and gastric cancer

Figure 5 Autopsy data from Europe showing the proportion of adults (i. e., 10 or older) from large autopsy studies in which the presence of an ulcer or ulcer scar was specifically examined showing the increase in the incidence of duodenal ulcer in the latter part of the 19^th and early 20^th century. Data from refererence[48].