Objective: To compare the prophylactic efficacy and toxicity of intravesical bacillus Calmette-Guerin( BCG) versus mitomycin C( MMC) on recurrence of Chinese bladder cancer.

• 目的:比较卡介苗与丝裂霉素C膀胱灌注预防国人膀胱癌复发的疗效及毒性。