@misc{indiciaeaa4ea049ddfd,
  title = {Intermittent complete heart-block.},
  author = {R F Gunstone and K Somers and A I Patel},
  year = {1970},
  doi = {10.1016/s0140-6736(70)90135-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/4194959/},
  note = {Source identifier: 4194959}
}