@misc{indiciaeadf54f82e6ef,
  title = {Declining sperm counts.},
  author = {D M de Kretser},
  year = {1996},
  doi = {10.1136/bmj.312.7029.457},
  url = {https://pubmed.ncbi.nlm.nih.gov/8597665/},
  note = {Source identifier: 8597665}
}