南江县285例经腔镜治疗尿路结石患者的流行病学调查
张文斌1, 汪海龙2, 张宗平2, 王安果2, 伍季2

Epidemiological investigation of 285 patients with urinary calculi treated by endoscopy in Nanjiang County
Zhang Wenbin1, Wang Hailong2, Zhang Zongping2, Wang Anguo2, Wu Ji2