目的通过对幽门螺杆菌（HP）感染情况的分析、探讨HP和反流性食管炎（RE）的关系。

Objective To investigate the relationship be tween reflux esophagitis (RE) and infection of Helicobacter pylori (HP).

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目的：通过研究幽门螺杆菌(HP)与溃疡性结肠炎的相关性，旨在探讨HP感染对溃疡性结肠炎的发生是否起保护作用。

Objective: By studying the relationship of Helicobacter pylori infection and ulcerative colitis, to approach whether HP infection has the protection of ulcerative colitis.

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