方法采用数字胃肠造影与胃镜分别对406例反流性食管炎进行检查，并对两种检查结果进行对比分析。
Methods 406 cases with reflux esophagitis were examined by digital gastrointestinal radiography and gastroscopy respectively, and the results of two examination were analysed contrastively.
目的：探讨数字化胃肠造影的临床应用价值。
Purpose To research the clinic value of digital gastrointestinal series.
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