@misc{indiciae47800579282d,
  title = {Propagated responses produced by pacemaker stimuli falling within the QRS complex.},
  author = {R J Sung and S M Mallon and A Castellanos and R J Myerburg},
  year = {1976},
  url = {https://pubmed.ncbi.nlm.nih.gov/137120/},
  note = {Source identifier: 137120}
}