@misc{indiciaea46cd007c5bd,
  title = {Procainamide and the sinus node.},
  author = {R C Dhingra and K M Rosen},
  year = {1979},
  doi = {10.1378/chest.76.6.620},
  url = {https://pubmed.ncbi.nlm.nih.gov/509999/},
  note = {Source identifier: 509999}
}