1. Babjuk M, Oosterlinck W, Sylvester R, Kaasinen E, Böhle A, Palou J. Guidelines on TaT1 (non-muscle invasive) bladder cancer. European Association of Urology Web site. http://www.uroweb.org/professional-resources/guidelines/online.
2. Low-grade Ta (noninvasive) urothelial carcinoma of the bladder;Oosterlinck;Urology,2005
3. Management of stage T1 tumours of the bladder: international consensus panel;Nieder;Urology,2005
4. High-grade Ta urothelial carcinoma and carcinoma in situ of the bladder;Sylvester;Urology,2005
5. Bladder Cancer Clinical Guideline Update Panel. Guidelines for the management of nonmuscle invasive bladder cancer (stages Ta,T1, and Tis): 2007 update. American Urological Association Web site. http://www.auanet.org/content/guidelines-and-quality-care/clinical-guidelines.cfm?sub=bc.