@misc{indiciaef7d1c658ffb3,
  title = {Direct-writing color vectorcardiograph.},
  author = {S Kinoshita and K Suzuki and H Hiraki and S Ito},
  year = {1977},
  doi = {10.1016/s0022-0736(77)80014-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/915406/},
  note = {Source identifier: 915406}
}