@misc{indiciae0dc8def3bd1a,
  title = {Melatonin and sperm motility.},
  author = {M J Pitout and R J van Vuuren and C H van Aswegen and J J Theron},
  year = {1991},
  url = {https://pubmed.ncbi.nlm.nih.gov/1646486/},
  note = {Source identifier: 1646486}
}