@misc{indiciaef4fcf9626ae1,
  title = {Global Deterioration Scale (GDS).},
  author = {B Reisberg and S H Ferris and M J de Leon and T Crook},
  year = {1988},
  url = {https://pubmed.ncbi.nlm.nih.gov/3249768/},
  note = {Source identifier: 3249768}
}