@article{qun wang2021outcomes,
  title={Reproductive outcomes of testicular and ejaculated sperm for ICSI in patients with previous ICSI failures: a systematic review and meta-analysis},
  author={xiao-wei yu,yan-hong liu,xiao-yuan zhang,qun wang},
  journal={Journal of Men's Health},
  volume={17},
  number={4},
  pages={44--51},
  doi = {10.31083/jomh.2021.044},
  year={2021}
}