@misc{indiciae56d13479b55a,
  title = {Perseveration.},
  author = {A J Hudson},
  year = {1968},
  doi = {10.1093/brain/91.3.571},
  url = {https://pubmed.ncbi.nlm.nih.gov/5723023/},
  note = {Source identifier: 5723023}
}