@misc{indiciaed6a43a9eb339,
  title = {[Cardiointervalographic study in pediatrics].},
  author = {A N Lebed' and Iu S Shumakova},
  year = {1971},
  url = {https://pubmed.ncbi.nlm.nih.gov/5565203/},
  note = {Source identifier: 5565203}
}