@misc{indiciaed3e55b6fa946,
  title = {Penicillamine and progressive systemic sclerosis.},
  author = {P K Williamson},
  year = {1983},
  doi = {10.7326/0003-4819-98-5-675\_3},
  url = {https://pubmed.ncbi.nlm.nih.gov/6847000/},
  note = {Source identifier: 6847000}
}