@misc{indiciaec27cae1abf8c,
  title = {How fast do we age? Exercise performance over time as a biomarker.},
  author = {W M Bortz},
  year = {1996},
  doi = {10.1093/gerona/51a.5.m223},
  url = {https://pubmed.ncbi.nlm.nih.gov/8808993/},
  note = {Source identifier: 8808993}
}