@misc{indiciaeedb7fe56f2eb,
  title = {Down syndrome.},
  author = {R S Levine and I B Shine},
  year = {1973},
  doi = {10.1001/jama.224.13.1762c},
  url = {https://pubmed.ncbi.nlm.nih.gov/4267820/},
  note = {Source identifier: 4267820}
}