@article{qingyuan cheng2026of,
  title={Results of a China external quality assessment program for seminal plasma biochemistry: a 5 years experience},
  author={yan zheng,lijuan ying,lin yu,yingbi wu,yuan liu,jintao yuan,chengcheng diao,yi ma,qingyuan cheng,fuping li},
  journal={Journal of Men's Health},
  volume={22},
  number={3},
  pages={42--48},
  doi = {10.22514/jomh.2025.129},
  year={2026}
}