@misc{indiciae7024e49578ce,
  title = {Changes in sample collection and analytical techniques and effects on retrospective comparability of low-level concentrations of trace elements in ground water.},
  author = {T Ivahnenko and Z Szabo and J Gibs},
  year = {2001},
  doi = {10.1016/s0043-1354(01)00094-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/11561622/},
  note = {Source identifier: 11561622}
}