@misc{indiciaeb56298aa1529,
  title = {Primary and secondary progressive multiple sclerosis.},
  author = {Sandra Vukusic and Christian Confavreux},
  year = {2003},
  doi = {10.1016/s0022-510x(02)00427-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/12559503/},
  note = {Source identifier: 12559503}
}