@misc{indiciaee133cfe21f08,
  title = {Process management: two control charts.},
  author = {L McKenzie},
  year = {1993},
  doi = {10.1097/00126450-199309000-00012},
  url = {https://pubmed.ncbi.nlm.nih.gov/10127915/},
  note = {Source identifier: 10127915}
}