@misc{indiciae3501f258eb5e,
  title = {Atrioventricular block.},
  author = {J A Cross},
  year = {1992},
  doi = {10.4037/15597768-1992-1021},
  url = {https://pubmed.ncbi.nlm.nih.gov/1554557/},
  note = {Source identifier: 1554557}
}