1. Frequency of recurrence of stone in the kidney after operation;Cabot;Surg., Gynec. & Obst.,1915
2. Nephrectomy versus conservative operation in unilateral calculous disease of the upper urinary tract;Oppenheimer;Surg., Gynec. & Obst.,1937
3. Recurrence following operations for upper urinary tract stone;Sutherland;Brit. J. Urol.,1954
4. Long-term survey of 538 patients with upper urinary tract stone;Williams;Brit. J. Urol.,1963
5. How to use catgut;Howes;Surg., Gynec. & Obst.,1941