@misc{indiciae037b19f84105,
  title = {Intraventricular aberrancy versus ventricular ectopy.},
  author = {R A Massumi and D T Mason and R A Fabregas and L A Vismara and R R Miller and E A Amsterdam and Z Vera},
  year = {1973},
  url = {https://pubmed.ncbi.nlm.nih.gov/4135233/},
  note = {Source identifier: 4135233}
}