Methods Ultrosonography of 29 elder EAAC proved by surgical operation and pathology were retrospectively analyzed.

方法回顾性总结和分析29例老年人急性非结石性胆囊炎。

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Methods Ultrosonography of 29 elder EAAC proved by surgical operation and pathology were retrospectively analyzed.

方法回顾性总结和分析29例老年人急性非结石性胆囊炎。

youdao