@misc{indiciae73ac929c0295,
  title = {Letter: Herpes labialis and multiple sclerosis.},
  author = {K G Warren and D W Paty and S A McFarlane and S A Warren},
  year = {1976},
  doi = {10.1016/s0140-6736(76)91595-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/58249/},
  note = {Source identifier: 58249}
}