@misc{indiciae87ac49a4bc34,
  title = {The aging populace.},
  author = {R N Butler and K Hyer},
  year = {1990},
  doi = {10.1353/hpu.2010.0293},
  url = {https://pubmed.ncbi.nlm.nih.gov/2130888/},
  note = {Source identifier: 2130888}
}