@misc{indiciaee1f859329e4e,
  title = {Procainamide administration during electrophysiology study--utility as a provocative test for intermittent atrioventricular block.},
  author = {N Twidale and W F Heddle and A M Tonkin},
  year = {1988},
  url = {https://pubmed.ncbi.nlm.nih.gov/2462213/},
  note = {Source identifier: 2462213}
}