@misc{indiciae680637978b81,
  title = {The microdose problem and the most commonly used metals.},
  author = {V Foa and A Ferioli},
  year = {1992},
  doi = {10.1016/0048-9697(92)90223-f},
  url = {https://pubmed.ncbi.nlm.nih.gov/1641631/},
  note = {Source identifier: 1641631}
}