@misc{indiciae3c1927f82322,
  title = {Defining needs, defining systems: a critical analysis.},
  author = {A Dill},
  year = {1993},
  doi = {10.1093/geront/33.4.453},
  url = {https://pubmed.ncbi.nlm.nih.gov/8375673/},
  note = {Source identifier: 8375673}
}