Objective To discuss the value of B-ultrasonography on diagnosis of acute perforation of gastroduodenal ulcer.

目的探讨B超在胃十二指肠溃疡急性穿孔诊断中的应用价值。

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Objective To discuss the value of B-ultrasonography on diagnosis of acute perforation of gastroduodenal ulcer.

目的探讨B超在胃十二指肠溃疡急性穿孔诊断中的应用价值。

youdao