@misc{indiciaecb23fbdbf916,
  title = {Not an epidemiological study of scleroderma.},
  author = {A J Carmichael},
  year = {1989},
  doi = {10.1093/rheumatology/28.2.174},
  url = {https://pubmed.ncbi.nlm.nih.gov/2706421/},
  note = {Source identifier: 2706421}
}