@misc{indiciae7f068748dad6,
  title = {Migraine and systemic scleroderma.},
  author = {N C Goldberg and S C Duncan and R K Winkelmann},
  year = {1978},
  url = {https://pubmed.ncbi.nlm.nih.gov/646367/},
  note = {Source identifier: 646367}
}