@misc{indiciae3b111e46087e,
  title = {[Echocardiographic study of heart function in systemic scleroderma].},
  author = {G P Kotel'nikova and N G Guseva},
  year = {1986},
  url = {https://pubmed.ncbi.nlm.nih.gov/3824223/},
  note = {Source identifier: 3824223}
}