@misc{indiciaeb9386088cc5a,
  title = {L-Tryptophan.},
  author = {D J PROCKOP and B SMITH},
  year = {1963},
  doi = {10.1056/nejm196303212681224},
  url = {https://pubmed.ncbi.nlm.nih.gov/13986294/},
  note = {Source identifier: 13986294}
}