@misc{indiciaeb524b14747c3,
  title = {Recording vectorcardiographic loops with a microdot thermal printer.},
  author = {I I Christov and I A Dotsinsky},
  year = {1990},
  url = {https://pubmed.ncbi.nlm.nih.gov/2271405/},
  note = {Source identifier: 2271405}
}