@misc{indiciae1990b95bb81d,
  title = {Energetic elders.},
  author = {M E McMurdo},
  year = {1992},
  doi = {10.1177/003693309203700602},
  url = {https://pubmed.ncbi.nlm.nih.gov/1492210/},
  note = {Source identifier: 1492210}
}