@misc{indiciae8ddaf0425722,
  title = {Letter: Cellular immunity in multiple sclerosis.},
  author = {H Bartfeld and J A Zaia and H Donnenfeld},
  year = {1976},
  doi = {10.1016/s0140-6736(76)91463-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/55641/},
  note = {Source identifier: 55641}
}