 @article{zhou_chen_zhang_peng_xiao_xu_sun_2013,  title={Impacted Anterior Urethral Calculus Complicated by a Stone-containing Diverticulum in an Elderly Man: Outcome of Transurethral Lithotripsy without Resection of the Diverticulum},  volume={39},  ISSN={1677-5538},  url={https://doi.org/10.1590/S1677-5538.IBJU.2013.05.20},  DOI={10.1590/S1677-5538.IBJU.2013.05.20},  number={5},  journal={International braz j urol},  publisher={Sociedade Brasileira de Urologia},  author={Zhou, Tie and Chen, Guanghua and Zhang, Wei and Peng, Yonghan and Xiao, Liang and Xu, Chuangliang and Sun, Yinghao},  year={2013},  month={Sep},  pages={754–755} }