@misc{indiciae9c5cf72433f0,
  title = {Intelligence and learning in the aged.},
  author = {P M Pierce},
  year = {1980},
  doi = {10.3928/0098-9134-19800501-07},
  url = {https://pubmed.ncbi.nlm.nih.gov/6900041/},
  note = {Source identifier: 6900041}
}