@misc{indiciaed12220d6f4de,
  title = {On-line processing of orthogonal exercise electrocardiograms.},
  author = {M L Simoons and H B Boom and E Smallenburg},
  year = {1975},
  doi = {10.1016/0010-4809(75)90032-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/47282/},
  note = {Source identifier: 47282}
}