@misc{indiciaecddcc6b7cc17,
  title = {Cognitive dysfunction and change in multiple sclerosis.},
  author = {F R Halligan and M Reznikoff and H P Friedman and N G La Rocca},
  year = {1988},
  doi = {10.1002/1097-4679(198807)44:4<540::aid-jclp2270440410>3.0.co;2-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/3170759/},
  note = {Source identifier: 3170759}
}