@misc{indiciaeab0f4e94242c,
  title = {Treatment needed for multiple sclerosis.},
  author = {P L Richter},
  year = {1973},
  doi = {10.1056/nejm197304052881419},
  url = {https://pubmed.ncbi.nlm.nih.gov/4688383/},
  note = {Source identifier: 4688383}
}