@misc{indiciaef502ffe9ee35,
  title = {[Heart involvement in progressive systemic sclerosis (generalized scleroderma)].},
  author = {R E Schmidt and M Heinrichs and G Schilling and S Schüller and E Grube and I Stroehmann},
  url = {https://pubmed.ncbi.nlm.nih.gov/6475325/},
  note = {Source identifier: 6475325}
}