@article{hongjun li2022research,
  title={Global research trends on the absence of vas deferens: a bibliometric and visualized study},
  author={chengquan ma,jiahui xing,hongjun li},
  journal={Journal of Men's Health},
  volume={18},
  number={4},
  pages={1--11},
  doi = {10.31083/jomh.2021.130},
  year={2022}
}