@misc{indiciaef3c37636762c,
  title = {Influence function based variance estimation and missing data issues in case-cohort studies.},
  author = {S D Mark and H Katki},
  year = {2001},
  doi = {10.1023/a:1012533130596},
  url = {https://pubmed.ncbi.nlm.nih.gov/11763542/},
  note = {Source identifier: 11763542}
}