@misc{indiciae5741739ff1e3,
  title = {Pacemaker failure due to procainamide toxicity.},
  author = {R J Gay and D F Brown},
  year = {1974},
  doi = {10.1016/0002-9149(74)90164-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/4422040/},
  note = {Source identifier: 4422040}
}