Duodenal ulcer (DU) is a kind of chronic disease commonly found in digestive system with the symptoms of repeated pain in the superior belly, periodically and regularly. It is believed as a defection occurred in the duodenal mucous membrane, usually followed by bleeding, perforation, and duodenal cancer. Up to now, there is no a single drug which can effectively deal with DU. Therefore, program about triple treatment or quadruple treatment was widely used in DU clinical therapy, which centered by drug eradi...
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