@misc{indiciae2711df157440,
  title = {[Two- and three- bundle branch block in systemic scleroderma with heart involvement].},
  author = {G Swiatecka and J Lewandowska and J Greźlikowski},
  year = {1978},
  url = {https://pubmed.ncbi.nlm.nih.gov/735078/},
  note = {Source identifier: 735078}
}