@misc{indiciae9325962a7ab3,
  title = {New internal standards for basic amino acid analyses.},
  author = {M Friedman and A T Noma and M S Masri},
  year = {1973},
  doi = {10.1016/0003-2697(73)90476-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/4688019/},
  note = {Source identifier: 4688019}
}