@misc{indiciae8c9d4bb3c256,
  title = {Sleep pattern and intelligence in functional mental retardation.},
  author = {V Castaldo and V Krynicki},
  doi = {10.1111/j.1365-2788.1973.tb01206.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4369177/},
  note = {Source identifier: 4369177}
}