@misc{indiciae8ccc03afceee,
  title = {Cognitive decline in Down syndrome.},
  author = {Maria Luisa Margallo-Lana and Clive Ballard and Chris Morris and David Kay and Stephen Tyrer and Brian Moore},
  year = {2003},
  doi = {10.1001/archneur.60.7.1024-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/12873865/},
  note = {Source identifier: 12873865}
}