@article{byung wook yoo2022dose,
  title={Daily Dose of 5 mg Tadalafil Safely Improves Erectile Function and Liver Function Enzymes in Smokers},
  author={david samuel kwak,byung wook yoo},
  journal={Journal of Men's Health},
  volume={18},
  number={7},
  pages={1--5},
  doi = {10.31083/j.jomh1807150},
  year={2022}
}