@misc{indiciaee70c7b1ba211,
  title = {Tryptophan and depression.},
  author = {C Barbui and S Garattini},
  year = {1997},
  doi = {10.1016/s0140-6736(05)62133-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/9167484/},
  note = {Source identifier: 9167484}
}