@misc{indiciae2df996cfed69,
  title = {Alternating bidirectional tachycardia.},
  author = {J VELASQUEZ and G A KELSER},
  year = {1957},
  doi = {10.1016/0002-8703(57)90132-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/13458075/},
  note = {Source identifier: 13458075}
}