@misc{indiciaec1b62081fcb9,
  title = {Excretory and biologic threshold limits.},
  author = {H B Elkins},
  doi = {10.1080/00028896709342528},
  url = {https://pubmed.ncbi.nlm.nih.gov/6049250/},
  note = {Source identifier: 6049250}
}