@misc{indiciae4c0b251f21ea,
  title = {Letter: Tryptophan and depression.},
  author = {B Rao and A D Broadhurst},
  year = {1976},
  doi = {10.1136/bmj.1.6007.460-b},
  url = {https://pubmed.ncbi.nlm.nih.gov/766901/},
  note = {Source identifier: 766901}
}