@misc{indiciaec686b6158f23,
  title = {Calculation of sensitivity and specificity.},
  author = {M C Piper and L Pinnell and B Welch and J Darrah and P Byrne},
  year = {1990},
  doi = {10.1001/archpedi.1990.02150330016010},
  url = {https://pubmed.ncbi.nlm.nih.gov/1697734/},
  note = {Source identifier: 1697734}
}