@misc{indiciae0159f6604eec,
  title = {Within-subject exposure dependency in case-crossover studies.},
  author = {S K Vines and C P Farrington},
  year = {2001},
  doi = {10.1002/sim.960},
  url = {https://pubmed.ncbi.nlm.nih.gov/11590631/},
  note = {Source identifier: 11590631}
}