@misc{indiciae91c268cc1b2f,
  title = {Influenza immunization in multiple sclerosis.},
  author = {M Salvetti and A Pisani and S Bastianello and E Millefiorini and C Buttinelli and C Pozzilli},
  year = {1997},
  doi = {10.1212/wnl.49.5.1474-b},
  url = {https://pubmed.ncbi.nlm.nih.gov/9371955/},
  note = {Source identifier: 9371955}
}