@misc{indiciae1ae340cd4d02,
  title = {Double-bifocal-ventricular parasystole.},
  author = {J Roelandt and J Pool and L Schamroth},
  year = {1972},
  doi = {10.1016/s0022-0736(72)80066-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/4113128/},
  note = {Source identifier: 4113128}
}