Abstract：Ureteroscopy for the removal of ureteral stones and a double J stem were performed in fifteen cases from September 1991 to May 1992. Ureteral dilatation by a ballon catheter under direct vision through ureteroscope was far more effective and safer than by
张元原; Antonia K Tan. 输尿管镜直视下取石及异物15例报告[J]. 南昌大学学报（医学版）, 1993, 35(01): 1-.
Zhang Yuanyuan Atonia K. Tan~* (Institute of Urology, First Affiliated Hospital, Jiangxi Medical College) * Honolulu Medical Center USA. . , 1993, 35(01): 1-.
1993, Vol. 35 