@misc{indiciae167a4f2c73e8,
  title = {Demography and old age.},
  author = {E Grundy},
  year = {1983},
  doi = {10.1111/j.1532-5415.1983.tb05741.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/6853943/},
  note = {Source identifier: 6853943}
}