@misc{indiciae046680585194,
  title = {Mental retardation.},
  author = {J Wortis},
  year = {1967},
  doi = {10.1126/science.155.3768.1442},
  url = {https://pubmed.ncbi.nlm.nih.gov/6018513/},
  note = {Source identifier: 6018513}
}