Methods:1796cases(more than50years old)suffered from cholecystopathies received barium double contrast uppergastrointestinalexamination or endoscopic examination.
方法:对1796例5 0岁以上胆囊疾病患者行上消化道钡剂或电子胃镜检查。
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Objective This paper introduces an improved pneumo barium double contrast examination (for the uppergastrointestinal tract) to release the pain caused by gastrointestinal series.