@misc{indiciae689490747d18,
  title = {Tryptophan-nicotinamide combination in depression.},
  author = {G Chouinard and S N Young and L Annable and T L Sourkes},
  year = {1977},
  doi = {10.1016/s0140-6736(77)91036-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/64768/},
  note = {Source identifier: 64768}
}