Objective This paper introduces an improved pneumo barium double contrast examination (for the upper gastrointestinal tract) to release the pain caused by gastrointestinal series.

目的：为了减轻患者检查时的痛苦，对气钡双对比造影（上胃肠道）方法作了改进。

youdao

Objective This paper introduces an improved pneumo barium double contrast examination (for the upper gastrointestinal tract) to release the pain caused by gastrointestinal series.

目的：为了减轻患者检查时的痛苦，对气钡双对比造影（上胃肠道）方法作了改进。

youdao