@article{EnglertSchaeferRolletal.2020,
  author    = {Heike Englert and GA. Sch{\"a}fer and S. Roll and CJ. Ahlers and K. Beier and SN. Willich},
  title     = {Prevalence of erectile dysfunction among middle-aged men in a metropolitan area in Germany},
  journal   = {Int J Impotence Res},
  volume    = {19},
  pages     = {183 -- 188},
  year      = {2020},
}