@misc{indiciae1f9c3c6f9767,
  title = {Three-level block in concealed bigeminy.},
  author = {S Kinoshita},
  year = {1983},
  doi = {10.1016/s0022-0736(83)80026-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/6189932/},
  note = {Source identifier: 6189932}
}