@misc{indiciaed44f3eba031f,
  title = {Imaging primary progressive multiple sclerosis: the contribution of structural, metabolic, and functional MRI techniques.},
  author = {Massimo Filippi and Marco Rovaris and Maria A Rocca},
  year = {2004},
  doi = {10.1191/1352458504ms1029oa},
  url = {https://pubmed.ncbi.nlm.nih.gov/15218808/},
  note = {Source identifier: 15218808}
}