@misc{indiciaeecdd603ce437,
  title = {Statistics in nonrandomized studies.},
  author = {K J Rothman},
  year = {1990},
  doi = {10.1097/00001648-199011000-00001},
  url = {https://pubmed.ncbi.nlm.nih.gov/2090277/},
  note = {Source identifier: 2090277}
}