@misc{indiciae046af6de937f,
  title = {Benign and secondary progressive multiple sclerosis: a preliminary quantitative MRI study.},
  author = {M Filippi and G J Barker and M A Horsfield and P R Sacares and D G MacManus and A J Thompson and P S Tofts and W I McDonald and D H Miller},
  year = {1994},
  doi = {10.1007/bf00863776},
  url = {https://pubmed.ncbi.nlm.nih.gov/8195825/},
  note = {Source identifier: 8195825}
}