@misc{indiciae147deac9aedb,
  title = {[Polygraphy with a 3-channel electrocardiograph].},
  author = {M Popczyńska-Markowa and S Januś},
  year = {1965},
  url = {https://pubmed.ncbi.nlm.nih.gov/5845330/},
  note = {Source identifier: 5845330}
}