@misc{indiciae78c14aef34eb,
  title = {Cardiac involvement in systemic sclerosis.},
  author = {A J Geirsson and B Blom-Bülow and O Pahlm and A Akesson},
  year = {1989},
  doi = {10.1016/0049-0172(89)90055-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/2814518/},
  note = {Source identifier: 2814518}
}