@misc{indiciaebce007817f1e,
  title = {ANA in progressive systemic sclerosis.},
  author = {M Giordano and G Tirri and S Migliaresi and U Picillo},
  year = {1983},
  doi = {10.1136/ard.42.1.111},
  url = {https://pubmed.ncbi.nlm.nih.gov/6600912/},
  note = {Source identifier: 6600912}
}