@misc{indiciaecb9877487ada,
  title = {Urinary vanilmandelic acid determination using column chromatography.},
  author = {P Thuvasethakul and S Manakul},
  year = {1992},
  url = {https://pubmed.ncbi.nlm.nih.gov/1402459/},
  note = {Source identifier: 1402459}
}