@misc{indiciae3c3267f778df,
  title = {Life-span changes in syntactic complexity.},
  author = {S Kemper},
  year = {1987},
  doi = {10.1093/geronj/42.3.323},
  url = {https://pubmed.ncbi.nlm.nih.gov/3571869/},
  note = {Source identifier: 3571869}
}