@misc{indiciaed35f0f9ae0a1,
  title = {Second degree atrioventricular block.},
  author = {Y Watanabe and L S Dreifus},
  year = {1967},
  doi = {10.1093/cvr/1.2.150},
  url = {https://pubmed.ncbi.nlm.nih.gov/6058851/},
  note = {Source identifier: 6058851}
}