@article{jun guo2023yangyuan,
  title={Linggui Yangyuan paste for patients with male infertility: a study protocol for a multicenter, double-blind, double-dummy, randomized controlled trial},
  author={sheng-jing liu,qiang geng,chong-fu zhong,xu-jun yu,zhi-ming hong,bin yan,fu wang,jun guo},
  journal={Journal of Men's Health},
  volume={19},
  number={11},
  pages={67--72},
  doi = {10.22514/jomh.2023.117},
  year={2023}
}