@misc{indiciae21b85afe3f21,
  title = {Essential and nonessential trace elements. A method of determining whether an element is essential or nonessential in human tissue.},
  author = {K Liebscher and H Smith},
  year = {1968},
  doi = {10.1080/00039896.1968.10665346},
  url = {https://pubmed.ncbi.nlm.nih.gov/5699297/},
  note = {Source identifier: 5699297}
}