@misc{indiciae865f864b5551,
  title = {Estimating vaccine efficacy using auxiliary outcome data and a small validation sample.},
  author = {Haitao Chu and M Elizabeth Halloran},
  year = {2004},
  doi = {10.1002/sim.1849},
  url = {https://pubmed.ncbi.nlm.nih.gov/15316953/},
  note = {Source identifier: 15316953}
}