@misc{indiciae90e09a13a01c,
  title = {Fertility in aging men.},
  author = {H R Nankin},
  year = {1985},
  doi = {10.1016/0378-5122(85)90048-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/4079824/},
  note = {Source identifier: 4079824}
}