@misc{indiciae34a08026da4e,
  title = {Does melatonin have an effect on cognitive performance?},
  author = {H A Slotten and S Krekling},
  year = {1996},
  doi = {10.1016/s0306-4530(96)00027-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/9247986/},
  note = {Source identifier: 9247986}
}