@misc{indiciae3557045cf7e3,
  title = {A comparison of two methods for calculating expected mortality.},
  author = {A J Hartz and E E Giefer and R G Hoffmann},
  doi = {10.1002/sim.4780020310},
  url = {https://pubmed.ncbi.nlm.nih.gov/6648151/},
  note = {Source identifier: 6648151}
}