@misc{indiciaecbad8b328927,
  title = {Getting old.},
  author = {A Leaf},
  year = {1973},
  doi = {10.1038/scientificamerican0973-44},
  url = {https://pubmed.ncbi.nlm.nih.gov/4731805/},
  note = {Source identifier: 4731805}
}