@misc{indiciae441b227d8e64,
  title = {Cytology proficiency testing has stumped experts.},
  author = {R Voelker},
  year = {1993},
  doi = {10.1001/jama.270.23.2779},
  url = {https://pubmed.ncbi.nlm.nih.gov/8133599/},
  note = {Source identifier: 8133599}
}