@article{ravagnani_torres_leal_martins_papa_dell’aqua junior_alvarenga_andrade_2018,  title={Cryopreservation of boar semen in 0.5mL straws at low spermatozoa concentration is better than high concentration to maintain sperm viability},  volume={38},  ISSN={0100-736X},  url={https://doi.org/10.1590/1678-5150-PVB-5465},  DOI={10.1590/1678-5150-PVB-5465},  number={9},  journal={Pesquisa Veterinária Brasileira},  publisher={Colégio Brasileiro de Patologia Animal - CBPA},  author={Ravagnani, Gisele M. and Torres, Mariana A. and Leal, Diego F. and Martins, Simone M.M.K. and Papa, Frederico O. and Dell’Aqua Junior, José A. and Alvarenga, Marco A. and Andrade, André F.C.},  year={2018},  month={Sep},  pages={1726–1730} }