@article{popal_nagy_2013,  title={Laboratory processing and intracytoplasmic sperm injection using epididymal and testicular spermatozoa: what can be done to improve outcomes?},  volume={68},  ISSN={1807-5932},  url={https://doi.org/10.6061/clinics/2013(Sup01)14},  DOI={10.6061/clinics/2013(Sup01)14},  journal={Clinics},  publisher={Faculdade de Medicina / USP},  author={Popal, Wana and Nagy, Zsolt P.},  year={2013},  pages={125–130} }