1. Objective: to observe clinical effect and complications of treating ureterolith through aerodynamic trajectory lithotrity by ureterorenoscope (URS).
前言：目的：观察经输尿管肾镜行气压弹道碎石治疗输尿管结石的临床疗效及并发症。
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2. Objective: to observe clinical effect and complications of treating ureterolith through aerodynamic trajectory lithotrity by ureterorenoscope (URS).
