@misc{indiciae2a06354805d0,
  title = {Problems due to small samples and sparse data in conditional logistic regression analysis.},
  author = {S Greenland and J A Schwartzbaum and W D Finkle},
  year = {2000},
  doi = {10.1093/oxfordjournals.aje.a010240},
  url = {https://pubmed.ncbi.nlm.nih.gov/10707923/},
  note = {Source identifier: 10707923}
}