@misc{indiciae58a82b8eaba1,
  title = {MENTAL RETARDATION.},
  author = {Z STEIN and M SUSSER},
  year = {1963},
  doi = {10.1136/bmj.2.5373.1653-c},
  url = {https://pubmed.ncbi.nlm.nih.gov/14066200/},
  note = {Source identifier: 14066200}
}