@misc{indiciae9ff66b59b698,
  title = {Avoiding sources of error in PKU screening.},
  author = {I Kremensky and L Kalaydjieva},
  year = {1989},
  doi = {10.1093/ajcp/92.3.396a},
  url = {https://pubmed.ncbi.nlm.nih.gov/2773857/},
  note = {Source identifier: 2773857}
}