@misc{indiciae6a29bffaaa90,
  title = {Regional differences in functional status among the aged.},
  author = {Frank W Porell and Helen B Miltiades},
  year = {2002},
  doi = {10.1016/s0277-9536(01)00088-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/11989956/},
  note = {Source identifier: 11989956}
}