@misc{indiciae9d23a12e1934,
  title = {Reciprocal rhythm with concealed conduction.},
  author = {L Schamroth and H J Marriott},
  year = {1969},
  doi = {10.1016/s0022-0736(69)81015-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/5793112/},
  note = {Source identifier: 5793112}
}