@misc{indiciaeaeba5de2a373,
  title = {SAD chart revisited.},
  author = {V R Velamoor},
  year = {1991},
  doi = {10.1177/070674379103600422},
  url = {https://pubmed.ncbi.nlm.nih.gov/1907880/},
  note = {Source identifier: 1907880}
}