@misc{indiciae522dd7eae468,
  title = {Method already in use.},
  author = {E J Stay and F M Cardenas},
  year = {1990},
  doi = {10.1093/ajcp/93.5.721},
  url = {https://pubmed.ncbi.nlm.nih.gov/2327373/},
  note = {Source identifier: 2327373}
}