@misc{indiciae0db7e43a2f02,
  title = {Scleroderma in the elderly.},
  author = {P L Williams and J M Gumpel},
  year = {1981},
  doi = {10.1136/bmj.282.6268.948},
  url = {https://pubmed.ncbi.nlm.nih.gov/6781665/},
  note = {Source identifier: 6781665}
}