The optimal intravesical maintenance chemotherapy scheme for the intermediate-risk group non-muscle-invasive bladder cancer oleh Jian-Xin Chen, Wen-Ting Huang, Qing-Yun Zhang, Cheng-En Deng, Jue-ling Wei, Yuan-Liang Xie, Rui Lin, Guan-Zheng Feng, Guang-Lin Yang, Jun Long, Hao-Yuan Lu, Zeng-nan Mo