@misc{indiciae2cdff8258932,
  title = {Incidence density matching with a simple SAS computer program.},
  author = {N Pearce},
  year = {1989},
  doi = {10.1093/ije/18.4.981},
  url = {https://pubmed.ncbi.nlm.nih.gov/2621036/},
  note = {Source identifier: 2621036}
}