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. 1998 Mar 7;316(7133):746–747. doi: 10.1136/bmj.316.7133.746

Figure.

Figure

Prevalence of Helicobacter pylori after surgery for peptic ulcer: 36 studies. Size of black area proportional to number of patients. NS = not specified (*Dig Dis Sci 1991;36:1697; J Clin Gastroenterol 1993;16:82-4; Gastroenterology 1989;96:A247; Mat Med Pol 1994;88:9-12; Gastroenterology 1989;97:958-64; Ann Chir 1991;45:905-8; Gut 1989;30:1552-7; Pol Arch Med Wewn 1991;86:13-7. **Lancet 1986;1:1178-81; Gastroenterology 1989;97:958-64; Gastroduodenal pathology and Campylobacter pylori (London: Elsevier) 1989: 517-9, 525-7; Ann Chir 1991;45:905-8; Zentralbl Chir 1995;120:364-72; Gastroenterology 1990;98:A65; Mat Med Pol 1994;88:9-12)