@misc{indiciae7646ce2e9d7f,
  title = {An incidence density sampling program for nested case-control analyses.},
  author = {D B Richardson},
  year = {2004},
  doi = {10.1136/oem.2004.014472},
  url = {https://pubmed.ncbi.nlm.nih.gov/15550597/},
  note = {Source identifier: 15550597}
}