1. Large renal calculus;Kreutzman;Amer. Jour. Surg.,1928
2. An unusually large renal calculus;Mylvagnan;Lancet,1920
3. An enormous calculous pyonephrosis;Boyd;Jour. Amer. Med. Assoc.,1926
4. Giant calculi of kidneys and bladder;Caulk;Jour. Missouri Med. Assoc.,1929
5. Large renal calculus;Morrison;Brit. Med. Jour.,1921