@misc{indiciae3525d58d7e96,
  title = {Interferon beta-1a in primary progressive multiple sclerosis.},
  author = {Siobhan M Leary and Alan J Thompson},
  year = {2003},
  doi = {10.1016/s0022-510x(02)00350-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/12559514/},
  note = {Source identifier: 12559514}
}