@misc{indiciae99cdbb59fe8f,
  title = {Normal elderly men: a longitudinal study.},
  author = {R J Nathan and P Laffey and G Lord and B Weiss},
  year = {1983},
  url = {https://pubmed.ncbi.nlm.nih.gov/6677678/},
  note = {Source identifier: 6677678}
}