@misc{indiciae1a2619cf56cd,
  title = {Syntactic filtering of ECG waveforms.},
  author = {G Papakonstantinou and F Gritzali},
  year = {1981},
  doi = {10.1016/0010-4809(81)90033-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/7273717/},
  note = {Source identifier: 7273717}
}