@misc{indiciaeec457a1ba40f,
  title = {The first positive: computing positive predictive value at the extremes.},
  author = {J E Smith and R L Winkler and D G Fryback},
  year = {2000},
  doi = {10.7326/0003-4819-132-10-200005160-00008},
  url = {https://pubmed.ncbi.nlm.nih.gov/10819704/},
  note = {Source identifier: 10819704}
}