@misc{indiciae9a25f83e8e5b,
  title = {Maturing thoughts on ventricular premature beats.},
  author = {S Vaisrub},
  year = {1973},
  doi = {10.1001/jama.223.10.1154b},
  url = {https://pubmed.ncbi.nlm.nih.gov/4119819/},
  note = {Source identifier: 4119819}
}