@misc{indiciae2c0939b4c1d0,
  title = {Postectopic U wave normalization.},
  author = {M H Choo and B L Chia},
  year = {1986},
  doi = {10.1016/s0022-0736(86)80041-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/2427631/},
  note = {Source identifier: 2427631}
}