@misc{indiciaed21e37d52302,
  title = {Tryptophan and sleep.},
  author = {V Brezinová and J Loudon and I Oswald},
  year = {1972},
  doi = {10.1016/s0140-6736(72)92372-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/4117408/},
  note = {Source identifier: 4117408}
}