@misc{indiciae393374925f63,
  title = {Standardized ECG examination.},
  author = {S M Korotkin},
  year = {1988},
  doi = {10.1016/0735-1097(88)91553-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/3343472/},
  note = {Source identifier: 3343472}
}