@misc{indiciae268479e4197d,
  title = {Illness severity and depression in multiple sclerosis.},
  author = {Zeeshan Butt and Peggy Crawford},
  year = {2004},
  doi = {10.1176/appi.ajp.161.8.1504},
  url = {https://pubmed.ncbi.nlm.nih.gov/15285992/},
  note = {Source identifier: 15285992}
}