@misc{indiciae854590a5f425,
  title = {Multiform ventricular ectopic rhythm. Evidence for multiple parasystolic activity.},
  author = {N El-Sherif and P Samet},
  year = {1975},
  doi = {10.1161/01.cir.51.3.492},
  url = {https://pubmed.ncbi.nlm.nih.gov/49229/},
  note = {Source identifier: 49229}
}