@misc{indiciaeac7025a2a9e3,
  title = {Internal analytical quality control using the cusum chart and truncated V-mask procedure.},
  author = {R W Edwards},
  year = {1980},
  doi = {10.1177/000456328001700409},
  url = {https://pubmed.ncbi.nlm.nih.gov/7425515/},
  note = {Source identifier: 7425515}
}