@misc{indiciae2236bba29a1f,
  title = {L-tryptophan in depression.},
  author = {B J Carroll and R M Mowbray and B Davies},
  year = {1970},
  doi = {10.1016/s0140-6736(70)91813-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/4192403/},
  note = {Source identifier: 4192403}
}