@misc{indiciaec0dc1a30de6a,
  title = {[A screening test for phenylketonuria using a paper chromatography method].},
  author = {S Halvorsen and L Skjelkvåle},
  year = {1974},
  url = {https://pubmed.ncbi.nlm.nih.gov/4821497/},
  note = {Source identifier: 4821497}
}