@misc{indiciaeaa98880e4d7d,
  title = {Cryptorchidism and fertility.},
  author = {W Hecker and H A Hienz},
  year = {1967},
  doi = {10.1016/s0022-3468(67)80005-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/4384021/},
  note = {Source identifier: 4384021}
}