@article{alvarez-alvarez_farina-perez_barros_2005,  title={Idiopathic chronic hematocele of the vaginal sac},  volume={31},  ISSN={1677-5538},  url={https://doi.org/10.1590/S1677-55382005000600008},  DOI={10.1590/S1677-55382005000600008},  number={6},  journal={International braz j urol},  publisher={Sociedade Brasileira de Urologia},  author={Alvarez-Alvarez, Carlos and Farina-Perez, Luis A. and Barros, Celso R.},  year={2005},  month={Nov},  pages={555–557} }