@misc{indiciaeb12173a7a1d1,
  title = {The flipping-pacemaker phenomenon.},
  author = {R C Chiu},
  year = {1984},
  doi = {10.1056/nejm198408303110918},
  url = {https://pubmed.ncbi.nlm.nih.gov/6749238/},
  note = {Source identifier: 6749238}
}