@misc{indiciae4f8d4aec69f6,
  title = {Testing for mental retardation: comments on standard deviations.},
  author = {R H Ingwell and J Wortis},
  year = {1973},
  url = {https://pubmed.ncbi.nlm.nih.gov/4691314/},
  note = {Source identifier: 4691314}
}