@misc{indiciae48aded428ac5,
  title = {When does old age begin and a worker become old?},
  author = {J TUCKMAN and I LORGE},
  year = {1953},
  doi = {10.1093/geronj/8.4.483},
  url = {https://pubmed.ncbi.nlm.nih.gov/13130859/},
  note = {Source identifier: 13130859}
}