@misc{indiciae249f5d68b4da,
  title = {The blood lead threshold.},
  author = {H A Waldron},
  year = {1974},
  doi = {10.1080/00039896.1974.10666586},
  url = {https://pubmed.ncbi.nlm.nih.gov/4607682/},
  note = {Source identifier: 4607682}
}