@misc{indiciae136e3b53989c,
  title = {Quality indicators: control maintains--propriety improves.},
  author = {M R Ventura and J Rizzo and S Lenz},
  year = {1993},
  url = {https://pubmed.ncbi.nlm.nih.gov/8418430/},
  note = {Source identifier: 8418430}
}