@misc{indiciae561ce1f1128c,
  title = {[Polycardiographic evaluation of left ventricular function in the elderly].},
  author = {K Potocka-Płazak and J Kocemba},
  url = {https://pubmed.ncbi.nlm.nih.gov/1845673/},
  note = {Source identifier: 1845673}
}