@misc{indiciaebca9a057679d,
  title = {Measuring ventricular extrasystoles.},
  author = {S Talbot},
  year = {1975},
  doi = {10.1016/s0022-0736(75)80005-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/51895/},
  note = {Source identifier: 51895}
}