@misc{indiciaebf5dd2b2852b,
  title = {Sinoatrial-node entrance block.},
  author = {B N Goldreyer and A N Damato},
  year = {1971},
  doi = {10.1161/01.cir.44.5.789},
  url = {https://pubmed.ncbi.nlm.nih.gov/5115070/},
  note = {Source identifier: 5115070}
}