@misc{indiciae1032c845e8ff,
  title = {Optimal sampling strategies for two-stage studies.},
  author = {M Reilly},
  year = {1996},
  doi = {10.1093/oxfordjournals.aje.a008662},
  url = {https://pubmed.ncbi.nlm.nih.gov/8533752/},
  note = {Source identifier: 8533752}
}