1. Sutherland, J. W.: Upper urinary tract stone: clinical, experimental and biochemical studies. Ch.M. Thesis, University of Glasgow, Glasgow, Scotland, 1957.
2. Clinical data on nephrolithiasis;Braasch;Surg., Gynec. & Obst.,1917
3. End-results of operations for lithiasis;Quinby;Trans. Amer. Ass. Genito-Urin. Surg.,1933
4. The question of recurrent renal calculi;Barney;Surg., Gynec. & Obst.,1922
5. Nephrectomy versus conservative operation in unilateral calculous disease of the upper urinary tract;Oppenheimer;Surg., Gynec. & Obst.,1937