@article{verza jr_esteves_2008,  title={Re: sperm defect severity rather than sperm source is associated with lower fertilization rates after intracytoplasmic sperm injection},  volume={34},  ISSN={1677-5538},  url={https://doi.org/10.1590/S1677-55382008000200015},  DOI={10.1590/S1677-55382008000200015},  number={2},  journal={International braz j urol},  publisher={Sociedade Brasileira de Urologia},  author={Verza Jr, Sidney and Esteves, Sandro C.},  year={2008},  month={Mar},  pages={231–232} }