@misc{indiciaec4afc8a09c23,
  title = {Varying QRS complexes in complete A-V block.},
  author = {D SCHERF},
  year = {1959},
  doi = {10.1378/chest.36.4.428},
  url = {https://pubmed.ncbi.nlm.nih.gov/14442664/},
  note = {Source identifier: 14442664}
}