@misc{indiciaedbbb0b00e5b7,
  title = {Caffeine can increase brain serotonin levels.},
  year = {1988},
  doi = {10.1111/j.1753-4887.1988.tb05366.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/2465516/},
  note = {Source identifier: 2465516}
}