@misc{indiciaee8c3445407f4,
  title = {Morphologic features of right ventricular ectopic beats.},
  author = {E J Swanick and F LaCamera and H J Marriott},
  year = {1972},
  doi = {10.1016/0002-9149(72)90015-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4634286/},
  note = {Source identifier: 4634286}
}