@article{bohle_2009,  title={Long-term efficacy of maintenance bacillus Calmette-Guérin versus maintenance mitomycin C instillation therapy in frequently recurrent TaT1 tumours without carcinoma in situ: a subgroup analysis of the prospective, randomised FinnBladder I study with a 20-year follow-up},  volume={35},  ISSN={1677-5538},  url={https://doi.org/10.1590/S1677-55382009000600024},  DOI={10.1590/S1677-55382009000600024},  number={6},  journal={International braz j urol},  publisher={Sociedade Brasileira de Urologia},  author={Bohle, Andreas},  year={2009},  month={Nov},  pages={746–747} }