@misc{indiciaea48eaaba7ddc,
  title = {Simple parametric and nonparametric models for excess and relative mortality.},
  author = {P K Andersen and M Vaeth},
  year = {1989},
  url = {https://pubmed.ncbi.nlm.nih.gov/2765636/},
  note = {Source identifier: 2765636}
}