SUMMARY BackgroundEndoscopic dilatation for Crohn's disease has been evaluated only in some small and heterogeneous studies.

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This was the first comprehensive ( approximately 1,300 patients) analysis of the therapeutic management of H. pylori in gastric lymphoma patients. Data suggest that this infection is easily managed in these patients, being cured in nearly all cases.

SUMMARY BackgroundHelicobacter pylori clarithromycin resistance is increasing worldwide and different mutations are involved in its mechanisms. Recently, molecular methods have been proposed to assess these mutations.

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