@misc{indiciae37e485b1e266,
  title = {Colorimetric method for the rapid and quantitative determination of 4-hydroxy-3-methoxymandelic acid (vanilmandelic acid) in human urine.},
  author = {G Gumboldt},
  year = {1977},
  url = {https://pubmed.ncbi.nlm.nih.gov/20249/},
  note = {Source identifier: 20249}
}