@misc{indiciae734562464afd,
  title = {Australid mental development and geriatric decline.},
  author = {S D Porteus and K David},
  year = {1966},
  doi = {10.2466/pms.1966.23.1.75},
  url = {https://pubmed.ncbi.nlm.nih.gov/5962787/},
  note = {Source identifier: 5962787}
}