@misc{indiciae6f5a5504cfe7,
  title = {Melatonin in human semen.},
  author = {R J van Vuuren and D J du Plessis and J J Theron},
  year = {1988},
  url = {https://pubmed.ncbi.nlm.nih.gov/3353816/},
  note = {Source identifier: 3353816}
}