@article{li_ding_li_zhou_2021,  title={A laparoscopic vascular blocking forceps used for renal carcinoma combined with tumor thrombus},  volume={47},  ISSN={1677-5538},  url={https://doi.org/10.1590/S1677-5538.IBJU.2020.0063},  DOI={10.1590/S1677-5538.IBJU.2020.0063},  number={3},  journal={International braz j urol},  publisher={Sociedade Brasileira de Urologia},  author={Li, Xinfei and Ding, Guangpu and Li, Xuesong and Zhou, Liqun},  year={2021},  month={May},  pages={678–679} }