@article{xiaohui xu2022testosterone,
  title={Time-varying testosterone level and risk of myocardial infarction and stroke among hypogonadal men: a longitudinal study in Germany},
  author={xiao zhang,hongwei zhao,jennifer horney,natalie johnson,farid saad,karim sultan haider,ahmad haider,xiaohui xu},
  journal={Journal of Men's Health},
  volume={18},
  number={1},
  pages={1--8},
  doi = {10.31083/j.jomh1801023},
  year={2022}
}