@misc{indiciaea51c5a19daca,
  title = {The sick sinus syndrome.},
  author = {W J Scarpa},
  year = {1976},
  doi = {10.1016/s0002-8703(76)80085-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/185894/},
  note = {Source identifier: 185894}
}