1. Giant ureteral calculus;Abell;Surg. Gynec. Obst.,1916
2. Report of a case of ureteral calculus;Allen;U. S. Vet. Bur. M. Bull.,1929
3. Large calculus impacted in ureter in a youth;Baldwin;West. London M. J.,1915
4. The removal of an unusually large ureteral stone;Baker;J. A. M. A.,1912
5. Perforation of ureter by calculus, etc.;Berry;Brit. J. Surg.,1921