@misc{indiciae2e82d89740b5,
  title = {Guidelines for running a 12-lead E.K.G.},
  author = {S M Sumner and P A Grau},
  year = {1985},
  doi = {10.1097/00152193-198512000-00010},
  url = {https://pubmed.ncbi.nlm.nih.gov/3852132/},
  note = {Source identifier: 3852132}
}