Article
Duodenal Helicobacter pylori infection differs in cagA genotype between asymptomatic subjects and patients with duodenal ulcers.
Gastroenterology - 1 Feb 1999
Hamlet A, Thoreson A C, Nilsson O, Svennerholm A M, Olbe L
Abstract excerpt
BACKGROUND & AIMS: It is unclear why only a minority of subjects infected by Helicobacter pylori develop duodenal ulcers (DU). The aim of this study was to investigate whether the number and type of H. pylori strains in the duodenum of patients with DU may play a critical role. METHODS: Twenty-one patients with DU and 20 asymptomatic subjects with antral H. pylori infection were studied. Paired biopsy specimens...
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