@misc{indiciae77d09983a600,
  title = {Methodological considerations when assessing age related changes.},
  author = {S W Scheff},
  doi = {10.1016/0197-4580(87)90140-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/3431634/},
  note = {Source identifier: 3431634}
}