@misc{indiciaeb9fae2162579,
  title = {Testing for non-randomness of events in sparse data situations.},
  author = {R E Tarone},
  year = {1989},
  doi = {10.1111/j.1469-1809.1989.tb01806.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/2624432/},
  note = {Source identifier: 2624432}
}