@article{lorenzini_zanchet_lorenzini_2013,  title={Sperm analysis of the vas deferens fluid after a long interval of unilateral percutaneous epididymal sperm aspiration in vasectomized patients},  volume={39},  ISSN={1677-5538},  url={https://doi.org/10.1590/S1677-5538.IBJU.2013.05.15},  DOI={10.1590/S1677-5538.IBJU.2013.05.15},  number={5},  journal={International braz j urol},  publisher={Sociedade Brasileira de Urologia},  author={Lorenzini, Fernando and Zanchet, Eduardo and Lorenzini, Mariana},  year={2013},  month={Sep},  pages={720–726} }