@misc{indiciaebb84b4118474,
  title = {Differences between supine and sitting Frank-lead electrocardiograms.},
  author = {W Shapiro and A S Berson and H V Pipberger},
  year = {1976},
  doi = {10.1016/s0022-0736(76)80021-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/978080/},
  note = {Source identifier: 978080}
}