@misc{indiciaef9f8b6854504,
  title = {Conditional logistic regression with sandwich estimators: application to a meta-analysis.},
  author = {M P Fay and B I Graubard and L S Freedman and D N Midthune},
  year = {1998},
  url = {https://pubmed.ncbi.nlm.nih.gov/9544516/},
  note = {Source identifier: 9544516}
}