@article{seong eun kim2021between,
  title={Relationship between the perceived severity of unwanted pregnancy and attitudes toward four contraceptive methods among unmarried university students in Korea: differences by gender and sexual experience},
  author={hae won kim,young-jin lee,saem yi kang,yoo jeong kang,seong eun kim},
  journal={Journal of Men's Health},
  volume={17},
  number={1},
  pages={28--36},
  doi = {10.31083/jomh.v17i1.291},
  year={2021}
}