@misc{indiciae69fd0a9295ee,
  title = {Trace element excess in PKU diets?},
  author = {E Sievers and H D Oldigs and K Dörner and J Schaub},
  year = {1990},
  doi = {10.1007/bf01800217},
  url = {https://pubmed.ncbi.nlm.nih.gov/2079839/},
  note = {Source identifier: 2079839}
}