@misc{indiciae810a2f03d388,
  title = {Test differences attributable to age, selection processes, and institutional effects.},
  author = {R W BORTNER},
  year = {1962},
  doi = {10.1093/geronj/17.1.58},
  url = {https://pubmed.ncbi.nlm.nih.gov/13871498/},
  note = {Source identifier: 13871498}
}