@article{wi-young so2018of,
  title={EVALUATION OF THE DIFFERENCES OF HOUSEHOLD INCOME AND PHYSICAL FITNESS VARIABLES IN ELDERLY KOREANS},
  author={hyunkyun ahn,wi-young so},
  journal={Journal of Men's Health},
  volume={14},
  number={3},
  pages={41--48},
  doi = {10.22374/1875-6859.14.3.7},
  year={2018}
}