@misc{indiciaec0c7b6ced996,
  title = {Systemic sclerosis (scleroderma): clinical, genetic, and serologic subsets.},
  author = {J Z Livingston and T E Scott and F M Wigley and G J Anhalt and W B Bias and R H McLean and M C Hochberg},
  year = {1987},
  url = {https://pubmed.ncbi.nlm.nih.gov/3476751/},
  note = {Source identifier: 3476751}
}