@misc{indiciae245dafdb1825,
  title = {Electrocardiographic instrumentation.},
  author = {E LEPESCHKIN},
  year = {1963},
  doi = {10.1016/s0033-0620(63)80012-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/13929771/},
  note = {Source identifier: 13929771}
}