@misc{indiciae26be13942876,
  title = {Multiple sclerosis and sinusitis.},
  author = {T S Callaghan},
  year = {1986},
  doi = {10.1016/s0140-6736(86)91970-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/2873420/},
  note = {Source identifier: 2873420}
}