目的提高输尿管阴性结石的诊治水平。

Objective To improve the diagnosis and treatment of the ureteral radiolucent calculi.

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目的探讨输尿管阴性结石的影象学诊断价值。

AIM To study the diagnostic value of the imaging in the negative ureteral calculous.

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目的：探讨输尿管阴性结石的合理、有效诊断方法。

Objective: To study the diagnostic value of the different imaging way for the ureteral radiolucent calculi.

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