@misc{indiciaedcdf4edbce52,
  title = {Intermittent parasystole with concealed extrasystolic bigeminy during myocardial infarction.},
  author = {P R Lightfoot},
  year = {1977},
  doi = {10.1016/s0002-8703(77)80316-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/65122/},
  note = {Source identifier: 65122}
}