@misc{indiciae44caa45bbc46,
  title = {Electrophysiological studies in complete heart block.},
  author = {M Khalilullah and U Gupta and N K Singhai and S Padmavati},
  url = {https://pubmed.ncbi.nlm.nih.gov/730210/},
  note = {Source identifier: 730210}
}