@article{jia wang2022syphilitic,
  title={Primary syphilitic proctitis associated with human immunodeficiency virus infection in a male patient who had sex with men: a case report},
  author={wen-ying chen,jia wang},
  journal={Journal of Men's Health},
  volume={18},
  number={2},
  pages={1--4},
  doi = {10.31083/jomh.2021.086},
  year={2022}
}