@misc{indiciae9a1e682ec908,
  title = {The aged in cities.},
  author = {J E Birren},
  year = {1969},
  doi = {10.1093/geront/9.3\_part\_1.163},
  url = {https://pubmed.ncbi.nlm.nih.gov/5349364/},
  note = {Source identifier: 5349364}
}