Conclution By using the new methods, the calculus of middle-lower ureter could be better displayed.

结论通过上述方法，输尿管中下段结石能得到较好的显示。

youdao

Conclution By using the new methods, the calculus of middle-lower ureter could be better displayed.

结论通过上述方法，输尿管中下段结石能得到较好的显示。

youdao