@misc{indiciae01d845d76dc0,
  title = {Physical performance measures in aging research.},
  author = {J M Guralnik and L G Branch and S R Cummings and J D Curb},
  year = {1989},
  doi = {10.1093/geronj/44.5.m141},
  url = {https://pubmed.ncbi.nlm.nih.gov/2768767/},
  note = {Source identifier: 2768767}
}