2Terada N,Ichioka K, Matsata Y, et al. The natural history of simple renal systs [J]. J uroI,2002,167 :21-23.
3Terada N, Arai Y, Kinukawa N, et al. Risk factors for renal cysts[J]. BJU Inter,2004,93(9): 1300--1302,
4Gasparini D,Sponza M,Valotto C,et al.Renal cysts: can percutaneous ethanol injections be considered an alternative to surgery? Urol Int,2003,71: 197-200.
